US2007087240-A1 -- US1883778-A   ;  US2002273-A   ;  US2252242-A   ;  US2971750-A   ;  US3262682-A   ;  US3322405-A   ;  US3473963-A   ;  US3493050-A   KORK KELLEY AND ROBERT K (KEL-Individual);  US3615850-A   GENERAL ELECTRIC CO (GENE);  US3792841-A   MUNTERS AB CARL (MUNT);  US3947532-A   MUNTERS AB CARL (MUNT);  US3977364-A   PHILIPS GLOEILAMPENFAB NV (PHIG);  AUGSBURG-NUERNBERG AG (MAUG);  US4192988-A   FOTO-MARK INC (FOTO-Non-standard)   PEDERSON P D,  UFFORD K A,  NELSON L V;  US4362788-A   ENERGY RES CORP (ENER-Non-standard)   BAKER B S,  MARU H C;  US4365006-A   ENERGY RES CORP (ENER-Non-standard)   BAKER B S;  US4530886-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4670359-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US4743517-A   INT FUEL CELLS CORP (ITFU)   COHEN R,  BUSWELL R F;  US4933117-A   CHAMPION COOLER COR (CHAM-Non-standard)   WILSON M C;  US4973530-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  HEDSTROM J C;  US5037583-A   BEMIS MFG CO (BEMI)   HAND J M;  US5162088-A   DURACRAFT CORP (DURA-Non-standard)   PENG J,  CHIU B;  US5260143-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WATKINS D S;  US5382478-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B M,  CHOW C Y;  US5432020-A   DAIMLER-BENZ AG (DAIM)   FLECK W;  US5441819-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WATKINS D S;  US5543238-A   SIEMENS AG (SIEI)   STRASSER K;  US5547776-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  CHOW C Y,  POW E G,  WOZNICZKA B M,  VOSS H H,  HORNBURG G;  US5605770-A   FINMECCANICA AZIENDA ANSALDO SPA (FINM)   ANDREOLI G L,  FEDERICI F;  US5768906-A   BORST INC (BORS-Non-standard)   TSENTER B;  US5773160-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  VOSS H H,  JOHNSON M C,  POW E G,  WILKINSON D P;  US5786104-A   DOW CHEM CO (DOWC)   PLOWMAN K R,  BLACK L L;  US5824199-A   DU PONT DE NEMOURS & CO E I (DUPO)   SIMMONS W J,  LAW C G,  TRAINHAM J A,  NEWMAN J S,  EAMES D J;  US5837393-A   HONDA GIKEN KOGYO KK (HOND)   OKAMOTO T;  US5932148-A   SKUTTLE MFG CO (SKUT)   LEWIS E K,  HANSELL M A;  US6007931-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  MARGIOTT P R,  VAN DINE L L;  US6013385-A   EMPRISE CORP (EMPR-Non-standard)   DUBOSE R A;  US6045933-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US6045934-A   FUJI ELECTRIC CO LTD (FJIE)   ENAMI Y;  US6063515-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  BAUMERT R M;  US6103411-A   SANYO ELECTRIC CO LTD (SAOL)   MATSUBAYASHI T,  ODA K,  MIYAKE Y;  US6110613-A   INT FUEL CELLS CORP (ITFU)   FULLER T F;  US20040053095-A1   ;  US20040058206-A1   ;  US20070281200-A1   ;  US6171718-B1   INT FUEL CELLS LLC (ITFU)   MURACH B L,  VAN DINE L L;  US6221117-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6227508-B1   COOK SPECIALTY CO (COOK-Non-standard)   PANZARELLA T A,  MCCLANAHAN D D;  US6247327-B1   MODINE MFG CO (MODI)   AN J S,  LINSTROTH R L;  US6274259-B1   INT FUEL CELLS LLC (ITFU)   GRASSO A P,  CIPPOLLINI N E,  BREAULT R D;  US6284399-B1   PLUG POWER LLC (PLUG-Non-standard)   OKO U M,  KRALICK J H;  US6312842-B1   INT FUEL CELLS LLC (ITFU)   REISER C A,  VAN DINE L L;  US6329090-B1   PLUG POWER LLC (PLUG-Non-standard)   MCELROY J F,  KRALICK J H;  US6331366-B1   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  GRASSO A P;  US6361891-B1   INT FUEL CELLS LLC (ITFU)   BREAULT R D,  CONDIT D A,  VAN DINE L L,  STEINBUGLER M M;  US6376111-B1   GENERAL MOTORS CORP (GENK)   MATHIAS M F,  GROT S A;  US6376114-B1   INT FUEL CELLS LLC (ITFU)   BONVILLE L J,  CIPOLLINI N E,  GAROW J,  LESIEUR R R,  SZYDLOWSKI D F,  VANCE Z D,  WHEELER D J;  US6383670-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G,  PLEDGER W A;  US6394427-B1   RES PRODUCTS CORP (RESR)   BRODSKY E L,  LAMURO R C,  GUETERSLOH T L,  PASCH R M;  US6413662-B1   GENERAL MOTORS CORP (GENK)   CLINGERMAN B J,  KESKULA D H,  DOAN T M;  US6416892-B1   UTC FUEL CELLS LLC (UNAC)   BREAULT R D;  US6436562-B1   EMPRISE TECHNOLOGY ASSOC CORP (EMPR-Non-standard)   DUBOSE R A;  US6497970-B1   GENERAL MOTORS CORP (GENK)   FRONK M;  US6514634-B1   PLUG POWER INC (PLUG-Non-standard)   RUSH K M;  US6524733-B1   TOYOTA JIDOSHA KK (TOYT)   NONOBE Y;  US6541141-B1   HYDROGENICS CORP (HYDR-Non-standard)   FRANK D,  CHEN X;  US6551732-B1   AIR PROD & CHEM INC (AIRP)   XU J;  US6551733-B2   PLUG POWER INC (PLUG-Non-standard)   PESCHKE N,  RUSH K M;  US6572085-B2   BLOEMER J M (BLOE-Individual)   BLOEMER J M;  US6682840-B2   XCELLSIS GMBH (XCEL-Non-standard)   BONEBERG S,  SCHUESSLER M;  US6790550-B2   IMAMURA T (IMAM-Individual);  KAWAI T (KAWA-Individual);  KATO H (KATO-Individual);  OKAMOTO K (OKAM-Individual)   IMAMURA T,  KAWAI T,  KATO H,  OKAMOTO K;  WO2007095721-A1 -- US20030096144-A1   ;  WO2002061861-A1