;  US2005048332-A1 -- US962802-A   ;  US4650727-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  SPRINGER T E,  HUFF R;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US4877693-A   ENERGY RES CORP (ENER-Non-standard)   BAKER B S;  US5043232-A   INT FUEL CELLS CORP (ITFU)   LANDAU M B,  TANRIKUT Y B;  US5175062-A   ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M,  LAMBRECH M,  ALLEN J;  US5272017-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5316871-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5470670-A   MATSUSHITA DENKI SANGYO KK (MATU)   GAMO T,  HATOH K,  NIIKURA J,  YASUMOTO E,  HADO K;  US5670269-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   HAMADA K,  MIZUSAWA M,  KOGA M;  US5763114-A   CERAMATEC INC (CERA-Non-standard)   KHANDKAR A C,  ELANGOVAN S,  HARTVIGSEN J J;  US5780179-A   HONDA MOTOR CO LTD (HOND);  US5851689-A   BECHTEL CORP (BECH)   CHEN T;  US20020031450-A1   ;  US20060153751-A1   ;  US6183703-B1   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US6238815-B1   GENERAL MOTORS CORP (GENK)   SKALA G W,  HART-PREDMORE D J,  PETTIT W H,  BORUP R L;  US6413479-B1   MATSUSHITA ELECTRIC WORKS LTD (MATW)   KUDO H,  YAMAGA N,  SHINAGAWA M;  US7066973-B1   LITTLE INC ARTHUR D (LITT)   BENTLEY J M,  BLOCK S G,  BOWERS B,  CHINTAWAR P S,  CLAWSON L G,  CROSS J C,  DAVIS R,  DORSON M H,  HAGAN M R,  KLEEBERG G,  MITCHELL W L,  MORRISEAU B D,  NOWICKI B J,  PAPILE C,  POLLICA D,  PRABHU S,  QI F C,  RIZZO V G,  RUMSEY J W,  SUN M W,  THIJSSEN J,  THOMPSON C;  US7081312-B1   GENERAL MOTORS LTD (GENK)   PETTIT W H;  US2005048333-A1 -- US962651-A   ;  US4650727-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  SPRINGER T E,  HUFF R;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US5043232-A   INT FUEL CELLS CORP (ITFU)   LANDAU M B,  TANRIKUT Y B;  US5175062-A   ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M,  LAMBRECH M,  ALLEN J;  US5272017-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5316871-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5470670-A   MATSUSHITA DENKI SANGYO KK (MATU)   GAMO T,  HATOH K,  NIIKURA J,  YASUMOTO E,  HADO K;  US5670269-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   HAMADA K,  MIZUSAWA M,  KOGA M;  US5763114-A   CERAMATEC INC (CERA-Non-standard)   KHANDKAR A C,  ELANGOVAN S,  HARTVIGSEN J J;  US5780179-A   HONDA MOTOR CO LTD (HOND);  US5851689-A   BECHTEL CORP (BECH)   CHEN T;  US20020031450-A1   ;  US6183703-B1   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US6413479-B1   MATSUSHITA ELECTRIC WORKS LTD (MATW)   KUDO H,  YAMAGA N,  SHINAGAWA M;  US7066973-B1   LITTLE INC ARTHUR D (LITT)   BENTLEY J M,  BLOCK S G,  BOWERS B,  CHINTAWAR P S,  CLAWSON L G,  CROSS J C,  DAVIS R,  DORSON M H,  HAGAN M R,  KLEEBERG G,  MITCHELL W L,  MORRISEAU B D,  NOWICKI B J,  PAPILE C,  POLLICA D,  PRABHU S,  QI F C,  RIZZO V G,  RUMSEY J W,  SUN M W,  THIJSSEN J,  THOMPSON C;  US7081312-B1   GENERAL MOTORS LTD (GENK)   PETTIT W H;  US7081312-B1 -- US4650727-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  SPRINGER T E,  HUFF R;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US5043232-A   INT FUEL CELLS CORP (ITFU)   LANDAU M B,  TANRIKUT Y B;  US5175062-A   ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M,  LAMBRECH M,  ALLEN J;  US5272017-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5316871-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5470670-A   MATSUSHITA DENKI SANGYO KK (MATU)   GAMO T,  HATOH K,  NIIKURA J,  YASUMOTO E,  HADO K;  US5670269-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   HAMADA K,  MIZUSAWA M,  KOGA M;  US5763114-A   CERAMATEC INC (CERA-Non-standard)   KHANDKAR A C,  ELANGOVAN S,  HARTVIGSEN J J;  US5780179-A   HONDA MOTOR CO LTD (HOND);  US5851689-A   BECHTEL CORP (BECH)   CHEN T;  US5997594-A   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US20020071797-A1   ;  US6183703-B1   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US6472092-B1   HONDA MOTOR CO LTD (HOND)   UEDA K,  YAMAGAMI T,  ISOBE S,  IZEKI E;  US6797244-B1   INT FUEL CELLS LLC (ITFU)   LESIEUR R R;  US7842424-B2 -- US4650727-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  SPRINGER T E,  HUFF R;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US5043232-A   INT FUEL CELLS CORP (ITFU)   LANDAU M B,  TANRIKUT Y B;  US5175062-A   ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M,  LAMBRECH M,  ALLEN J;  US5272017-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5316871-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5470670-A   MATSUSHITA DENKI SANGYO KK (MATU)   GAMO T,  HATOH K,  NIIKURA J,  YASUMOTO E,  HADO K;  US5670269-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   HAMADA K,  MIZUSAWA M,  KOGA M;  US5763114-A   CERAMATEC INC (CERA-Non-standard)   KHANDKAR A C,  ELANGOVAN S,  HARTVIGSEN J J;  US5780179-A   HONDA MOTOR CO LTD (HOND);  US5851689-A   BECHTEL CORP (BECH)   CHEN T;  US20020031450-A1   ;  US6183703-B1   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US6413479-B1   MATSUSHITA ELECTRIC WORKS LTD (MATW)   KUDO H,  YAMAGA N,  SHINAGAWA M;  US7066973-B1   LITTLE INC ARTHUR D (LITT)   BENTLEY J M,  BLOCK S G,  BOWERS B,  CHINTAWAR P S,  CLAWSON L G,  CROSS J C,  DAVIS R,  DORSON M H,  HAGAN M R,  KLEEBERG G,  MITCHELL W L,  MORRISEAU B D,  NOWICKI B J,  PAPILE C,  POLLICA D,  PRABHU S,  QI F C,  RIZZO V G,  RUMSEY J W,  SUN M W,  THIJSSEN J,  THOMPSON C;  US7081312-B1   GENERAL MOTORS LTD (GENK)   PETTIT W H;  US7993784-B2 -- US4650727-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  SPRINGER T E,  HUFF R;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US4877693-A   ENERGY RES CORP (ENER-Non-standard)   BAKER B S;  US5043232-A   INT FUEL CELLS CORP (ITFU)   LANDAU M B,  TANRIKUT Y B;  US5175062-A   ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M,  LAMBRECH M,  ALLEN J;  US5272017-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5316871-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5470670-A   MATSUSHITA DENKI SANGYO KK (MATU)   GAMO T,  HATOH K,  NIIKURA J,  YASUMOTO E,  HADO K;  US5670269-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   HAMADA K,  MIZUSAWA M,  KOGA M;  US5763114-A   CERAMATEC INC (CERA-Non-standard)   KHANDKAR A C,  ELANGOVAN S,  HARTVIGSEN J J;  US5780179-A   HONDA MOTOR CO LTD (HOND);  US5851689-A   BECHTEL CORP (BECH)   CHEN T;  US20020031450-A1   ;  US20060153751-A1   ;  US6183703-B1   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US6238815-B1   GENERAL MOTORS CORP (GENK)   SKALA G W,  HART-PREDMORE D J,  PETTIT W H,  BORUP R L;  US6413479-B1   MATSUSHITA ELECTRIC WORKS LTD (MATW)   KUDO H,  YAMAGA N,  SHINAGAWA M;  US7066973-B1   LITTLE INC ARTHUR D (LITT)   BENTLEY J M,  BLOCK S G,  BOWERS B,  CHINTAWAR P S,  CLAWSON L G,  CROSS J C,  DAVIS R,  DORSON M H,  HAGAN M R,  KLEEBERG G,  MITCHELL W L,  MORRISEAU B D,  NOWICKI B J,  PAPILE C,  POLLICA D,  PRABHU S,  QI F C,  RIZZO V G,  RUMSEY J W,  SUN M W,  THIJSSEN J,  THOMPSON C;  US7081312-B1   GENERAL MOTORS LTD (GENK)   PETTIT W H