WO200017952-A1 -- US5108849-A   CANADA MIN NAT DEFENCE (MIND)   WATKINS D S,  DIRCKS K W,  EPP D G;  US5300370-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WASHINGTON K B;  US5472799-A   TANAKA KIKINZOKU KOGYO KK (TANI);  WATANABE M (WATA-Individual);  STONEHART ASSOC INC (STON-Non-standard)   WATANABE M;  US5641586-A   UNIV CALIFORNIA OFFICE TECHNOLOGY (REGC)   WILSON M S;  US5773160-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  VOSS H H,  JOHNSON M C,  POW E G,  WILKINSON D P;  US5952119-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US6207312-B1 -- US4169917-A   ENERGY RES CORP (ENER-Non-standard)   BAKER B S,  DHARIA D J;  US4407904-A   HITACHI LTD (HITA);  HITACHI CHEM CO LTD (HITB)   UOZUMI N,  YAMAGATA T,  YASUKAWA S,  TSUTSUMI Y,  ONO S;  US4522894-A   ENGELHARD MINERALS CORP (ENGH)   HWANG H S,  HECK R M,  YARRINGTON R M;  US4588661-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WERTH J;  US4631239-A   WESTINGHOUSE ELECTRIC CORP (WESE)   SPURRIER F R,  PIERCE B L,  WRIGHT M K;  US4686157-A   SANYO ELECTRIC CO (SAOL);  MIYAKE Y (MIYA-Individual)   MIYAKE Y,  NISHIOKA M,  ITO Y;  US4849308-A   US DEPT ENERGY (USAT);  WESTINGHOUSE ELECTRIC CORP (WESE)   SCHMITTEN P F,  WRIGHT M K;  US4988583-A   CANADA MIN NAT DEFENCE (MIND);  CANADIAN GOVERNMENT (CNDG)   WATKINS D S,  DIRCKS K W,  EPP D G;  US5019463-A   YAMAHA HATSUDOKI KK (YMHA)   MATSUBARA H,  MIZUNO Y,  HANAJIMA T;  US5047298-A   PERRY OCEANOGRAPHIC (PERR-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5100744-A   FUJI ELECTRIC MFG CO LTD (FJIE)   HARASHIMA K;  US5108849-A   CANADA MIN NAT DEFENCE (MIND)   WATKINS D S,  DIRCKS K W,  EPP D G;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US5178969-A   TOSHIBA KK (TOKE)   AMEMIYA T;  US5187024-A   MITSUBISHI ELECTRIC CORP (MITQ)   MATSUMURA M;  US5192627-A   ENERGY PARTNERS INC (ENER-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5200278-A   BALLARD POWER SYSTEMS INC (BLRD)   WATKINS D S,  DIRCKS K W,  EPPS D G,  GORBELL B N,  MERRITT R D;  US5230966-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  CHOW C Y;  US5232792-A   M-C POWER CORP (MCPO-Non-standard)   REZNIKOV G L;  US5284718-A   BALLARD POWER SYSTEMS INC (BLRD)   RAMJI S,  WASHINGTON K B,  CHOW C Y,  WATKINS D S;  US5300370-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WASHINGTON K B;  US5342706-A   INST GAS TECHNOLOGY (IGTE)   PETRI R J,  MARIANOWSKI L G;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  US5401589-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  US5464700-A   BALLARD POWER SYSTEMS INC (BLRD)   STECK A E,  WEI J;  US5486430-A   BALLARD POWER SYSTEMS INC (BLRD)   CHOW C Y,  GORBELL B N,  WOZNICZKA B M;  US5514487-A   BALLARD POWER SYSTEMS INC (BLRD)   JAMES G A,  RAMJI S N,  WASHINGTON K B,  KENNA J T;  US5521018-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  LAMONT G J,  VOSS H H,  SCHWAB C