US2006246331-A1 -- US3235407-A   ;  US3553026-A   VARTA AG (VART);  US3589541-A   ;  US3765946-A   UNITED AIRCRAFT CORP (UNAC);  US3808534-A   UNITED AIRCRAFT CORP (UNAC);  US3823358-A   UNITED AIRCRAFT CORP (UNAC);  US3877989-A   UNITED AIRCRAFT CORP (UNAC)   WALDMAN E I,  AYLWARD J R;  US4037025-A   MALLORY & CO INC P R (MALO)   DEY A N,  SCHLAIKJER C R;  US4096296-A   ONERA OFF NAT ETUD RECH AEROSPATIALE (ONER);  US4310605-A   ENGELHARD MINERALS CORP (ENGH)   EARLY J,  KAUFMAN A,  STAWSKY A;  US4537840-A   HITACHI LTD (HITA)   TSUKUI T,  SHIMIZU T,  DOI R,  TSUTSUMII Y;  US4548875-A   WESTINGHOUSE ELECTRIC CORP (WESE)   LANCE J R,  SPURRIER F R;  US4578323-A   CORNING GLASS WORKS (CORG)   HERTL W,  SCHAEFFLER R G;  US4578324-A   FORD AEROSPACE & COMMUNIC CORP (FORD)   KOEHLER C W,  OMMERING G,  PUESTER N H;  US4583583-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WITTEL C F,  WERTH J;  US4670702-A   SANYO ELECTRIC CO (SAOL)   YAMADA M,  TSUKAMOTO K;  US4684581-A   STRUTHERS R C (STRU-Individual)   STRUTHERS R C;  US4689280-A   ENERGY RES CORP (ENER-Non-standard)   GIONFRIDDO S;  US4820594-A   HITACHI LTD (HITA)   SUGITA S,  KOYAMA K H N,  SHIIN A K,  SAKAGUCHI S,  KURODA M,  NOGUCHI Y;  US5006846-A   GRANVILLE J M (GRAN-Individual)   GRANVILLE J M,  COSTA R E,  CHU S Y;  US5154986-A   YAMAHA HATSUDOKI KK (YMHA)   TAKECHI H,  MIZUNO Y,  ANMA T;  US5300370-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WASHINGTON K B;  US5344721-A   TOSHIBA KK (TOKE)   MUNEUCHI A,  MURATA K;  US5480738-A   CERAMATEC INC (CERA-Non-standard)   ELANGOVAN S,  KHANDKAR A C,  HARTVIGSEN J J;  US5509942-A   DODGE C E (DODG-Individual)   DODGE C E;  US5532072-A   DORNIER GMBH (DOSY)   SPAEH R,  WESTPHAL M,  ERDLE E,  ZURELL K;  US5547777-A   RICHARDS W R (RICH-Individual)   RICHARDS W R;  US5599638-A   UNIV SOUTHERN CALIFORNIA (USCA);  CALIFORNIA INST OF TECHNOLOGY (CALY)   FRANK H A,  NARAYANAN S R,  OLAH G A,  PRAKASH G K S,  SURAMPUDI S,  VAMOS E,  HALPERT G;  US5624769-A   GENERAL MOTORS CORP (GENK)   DOLL G L,  HARRIS S J,  LI Y,  MENG W,  SWATHIRAJAN S;  US5709961-A   LYNNTECH INC (LYNN-Non-standard)   SIMPSON S F,  CISAR A J,  MURPHY O J;  US5741605-A   WESTINGHOUSE ELECTRIC CORP (WESE)   GILLETT J E,  DEDERER J T,  ZAFRED P R,  COLLIE J C;  US5858314-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D;  US5858567-A   AEROJET GEN CORP (AERG)   SPEAR R G,  MUEGGENBURG H H,  HODGE R;  US5861137-A   EDLUND D J (EDLU-Individual)   EDLUND D J;  US5879826-A   ;  US5928807-A   DAIMLER-BENZ AG (DAIM);  BALLARD POWER SYSTEMS INC (BLRD)   HARTMUT E;  US5945232-A   PLUG POWER LLC (PLUG-Non-standard)   ERNST W D,  MITTLEMAN G;  US5952119-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US6022634-A   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US6030718-A   AVISTA LABS (AVIS-Non-standard);  FUGLEVAND W A (FUGL-Individual)   FUGLEVAND W A,  BAYYUK S I,  LLOYD G A,  DEVRIES P D,  LOTT D R,  SCARTOZZI J P,  SOMERS G M,  STOKES R G;  US6045933-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T;  US6059943-A   LYNNTECH INC (LYNN-Non-standard)   CISAR A J,  MURPHY O J;  US6060190-A   BALLARD POWER SYSTEMS INC (BLRD)   CAMPBELL S A,  WILKINSON D P,  DAVIS M T,  STUMPER J;  US6080503-A   BALLARD POWER SYSTEMS INC (BLRD)   SCHMID O,  EINHART J;  US6106970-A   POWERPOD CORP (POWE-Non-standard)   KALARNEY K T;  US6117577-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US20020094476-A1   ;  US20030054224-A1   ;  US20030091884-A1   ;  US20030111908-A1   ;  US20030111977-A1   ;  US20030113594-A1   ;  US20030113599-A1   ;  US20030134170-A1   ;  US20040009380-A1   ;  US20040067406-A1   ;  US20040081867-A1   ;  US20040101728-A1   ;  US20040115577-A1   ;  US20040161649-A1   ;  US20050064254-A1   ;  US20050196666-A1   ;  US20060068250-A1   ;  US20070031717-A1   ;  US20070092773-A1   ;  US20070190379-A1   ;  US6171374-B1   BALLARD POWER SYSTEMS INC (BLRD)   RONNE J A,  WELLS B W,  BARTON R H;  US6218039-B1   PLUG POWER INC (PLUG-Non-standard)   MEASE K L,  BRUNNER A K,  PITTS L A,  WINSLOW A F;  US6221117-B1   NORTHWEST POWER SYSTEMS LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6248467-B1   UNIV CALIFORNIA (REGC);  WILSON M S (WILS-Individual);  BUSICK D (BUSI-Individual)   WILSON M S,  BUSICK D;  US6291091-B1   BALLARD POWER SYSTEMS INC (BLRD)   PREISCHL C,  HEDRICH P,  HAHN A;  US6423203-B1   DE NORA SPA (ORON)   FAITA G,  OTTAVIANI A;  US6573682-B1   BALLARD POWER SYSTEMS INC (BLRD)   PEARSON M T;  US6794069-B1   REVEO INC (REVO)   FARIS S M,  TSAI T,  YAO W,  LI L,  TZENG G T,  RABIN M,  MORRIS W;  US6879052-B1   SPRINT COMMUNICATIONS CO LP (SRIN)   JOHNSON L L;  US6992401-B1   SPRINT COMMUNICATIONS CO LP (SRIN)   JOHNSON L L;  US6703155-B2   SCARTOZZI J P (SCAR-Individual)   SCARTOZZI J P;  US6703722-B2   CHRISTENSEN P C (CHRI-Individual)   CHRISTENSEN P C;  US6764782-B2   GENERAL MOTORS LTD (GENK)   RAISER S,  HINZ H;  US6838923-B2   BALLARD POWER SYSTEMS INC (BLRD)   PEARSON M T;  US6841275-B2   BALLARD POWER SYSTEMS INC (BLRD)   PEARSON M T;  US6868341-B2   VALERO H (VALE-Individual)   VALERO H;  US6894457-B2   GERMAGIAN M H (GERM-Individual);  BUSH M F (BUSH-Individual);  MORGAN J (MORG-Individual)   GERMAGIAN M H,  BUSH M F,  MORGAN J;  US6896990-B2   SIEMENS AG (SIEI)   MATTEJAT A,  STRASSER K;  US6916568-B2   HSU YANG TECHNOLOGIES CO LTD (HSUY-Non-standard)   GUAN J,  YEH M;  US7075194-B2   TITAN CORP (TITA-Non-standard)   WEIDENHEIMER D M,  DONEGAN K J,  MORTON D W;  US7081687-B2   JOHNSON L L (JOHN-Individual)   JOHNSON L L;  US7087327-B2   BALLARD POWER SYSTEMS INC (BLRD)   PEARSON M T;  US7098548-B2   SPRINT COMMUNICATIONS CO LP (SRIN)   JOHNSON L L;  US7112891-B2   SPRINT COMMUNICATIONS CO LP (SRIN)   JOHNSON L L,  WILLETS J A,  MEYERS J D;  US7157803-B2   SPRINT COMMUNICATIONS CO LP (SRIN)   MEYERS J D,  JOHNSON L L,  WILLETS J A;  US7224086-B2   GERMAGIAN M H (GERM-Individual);  BUSH M F (BUSH-Individual);  MORGAN J (MORG-Individual);  GLAESER K J (GLAE-Individual)   GERMAGIAN M H,  BUSH M F,  MORGAN J,  GLAESER K J;  US7240492-B2   JOHNSON L L (JOHN-Individual)   JOHNSON L L;  US7245032-B2   SPRINT COMMUNICATIONS CO LP (SRIN)   WILLETS J A,  JOHNSON L L,  MEYERS J D;  US7245034-B2   SPRINT COMMUNICATIONS CO LP (SRIN)   JOHNSON L L;  US7252747-B2   GINER ELECTROCHEMICAL SYSTEMS LLC (GINE-Non-standard)   MCDONALD R C,  LACONTI A B;  US7256506-B2   SPRINT COMMUNICATIONS CO LP (SRIN)   JOHNSON L L;  US33149-E   PROTOTECH INC (PROW);  PROTOTECH CO (PROW);  US36148-E   SIEMENS AG (SIEI)   STRASSER K;  WO2006118754-A2 -- US5547777-A   RICHARDS W R (RICH-Individual)   RICHARDS W R;  US5709961-A   LYNNTECH INC (LYNN-Non-standard)   SIMPSON S F,  CISAR A J,  MURPHY O J;  US6106970-A   POWERPOD CORP (POWE-Non-standard)   KALARNEY K T;  US20020018922-A1   ;  US20040101728-A1   ;  US20040115577-A1   ;  US20040202901-A1   ;  US20050064254-A1   ;  WO2003032423-A1   HONDA GIKEN KOGYO KK (HOND)   KATO H,  HAYASHI K,  INAI S;  WO2006118754-A3 -- US5045226-A   BAYER AG (FARB)   RICHTER R,  MULLER H P,  WEBER W,  HOMBACH R,  RIBERI B,  BUSCH R,  METZINGER H G;  WO2000024814-A1