US2002150801-A1 -- US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US5952119-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US5976725-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GAMO T,  KURANAKA S,  MORITA Y,  SUZUKI J,  HAMANISHI M,  NAGAI S,  HATOH K,  YASUMOTO E;  US6280865-B1   PLUG POWER INC (PLUG-Non-standard)   EISMAN G A,  MCELROY J F,  PESCHKE N;  US6562502-B2   HALTINER K J (HALT-Individual)   HALTINER K J;  US6646413-B2   DAIMLERCHRYSLER AG (DAIM)   AUTENRIETH R,  WALTER M,  KONRAD G,  LEDWIG K,  NIEHUES M;  US38156-E   SIEMENS AG (SIEI)   STRASSER K,  HORNUNG R,  BETTE W;  US6699610-B2 -- EP741428-A1   FINMECCANICA AZIENDA ANSALDO SPA (FINM)   ANDREOLI G L,  FEDERICI F;  EP2014823-A2   ;  JP03113188-A   ;  JP08045517-A   ;  JP10055813-A   ;  JP11154522-A   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  JP2000133290-A   ;  US4098959-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4619589-A   ALLDOS EICHLER KG (ALLD-Non-standard)   MULLER K,  OBERACKER S;  US4824340-A   ;  US4966528-A   ABEL-PUMPEN GMBH (ABEL-Non-standard)   HENKEL W E,  STAPELFELD V,  BELLING D;  US5246351-A   LEWA OTT GMBH & CO KG HERBERT (LEWA-Non-standard)   HESSENBERGER R,  HORN W;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5484666-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  SCHLOSSER W,  GIBB P,  VOSS H H;  US5547777-A   RICHARDS W R (RICH-Individual)   RICHARDS W R;  US5635039-A   LYNNTECH INC (LYNN-Non-standard)   HITCHENS G D,  MURPHY O J,  CISAR A J,  GONZALEZ-MARTIN A;  US5773160-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  VOSS H H,  JOHNSON M C,  POW E G,  WILKINSON D P;  US5798186-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  BOEHM G A,  POW E G;  US5840438-A   BALLARD POWER SYSTEMS INC (BLRD)   JOHNSON M C,  WILKINSON D P,  ASMAN C P,  BOS M L,  POTTER R J;  US5952119-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US5976725-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GAMO T,  KURANAKA S,  MORITA Y,  SUZUKI J,  HAMANISHI M,  NAGAI S,  HATOH K,  YASUMOTO E;  US6132449-A   AGILENT TECHNOLOGIES INC (AGIL)   LUM P,  VERDONK E D,  GREENSTEIN M,  KEELY-TEMPLIN C,  LEONARD L A,  FREEMAN D M;  US6149810-A   LYNNTECH INC (LYNN-Non-standard)   GONZALEZ-MARTIN A,  SALINAS C E,  HITCHENS G D,  MURPHY O J,  CISAR A J;  US6200698-B1   PLUG POWER INC (PLUG-Non-standard)   CARLSTROM C M;  US6265093-B1   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US6280865-B1   PLUG POWER INC (PLUG-Non-standard)   EISMAN G A,  MCELROY J F,  PESCHKE N;  US6360835-B1   GENERAL MOTORS CORP (GENK)   SKALA G W;  US6436562-B1   EMPRISE TECHNOLOGY ASSOC CORP (EMPR-Non-standard)   DUBOSE R A;  US6447945-B1   GEN ATOMICS (GEAT)   STRECKERT H H,  BLUE L P,  KLUNKER J;  US6464846-B1   GINER ELECTROCHEMICAL SYSTEMS LLC (GINE-Non-standard)   TITTERINGTON W A;  US6562502-B2   HALTINER K J (HALT-Individual)   HALTINER K J;  US6569298-B2   MERIDA-DONIS W R (MERI-Individual)   MERIDA-DONIS W R;  US6646413-B2   DAIMLERCHRYSLER AG (DAIM)   AUTENRIETH R,  WALTER M,  KONRAD G,  LEDWIG K,  NIEHUES M;  US38156-E   SIEMENS AG (SIEI)   STRASSER K,  HORNUNG R,  BETTE W;  JP3654871-B2 -- JP05011963-A   ;  JP05054900-A   ;  JP05094832-A   ;  JP07272740-A   ;  JP08023490-A   ;  JP10511497-A   BALLARD POWER SYSTEMS INC (BLRD)   GORBELL B N,  MERRITT R D;  JP11317236-A   EQUOS RES KK (EQUS)   MUNEHISA H,  NORIYUKI T;  JP62172120-A