WO9410716-A1 -- US4973530-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  HEDSTROM J C;  US5366818-A -- DE1814702-A1   ;  FR1547910-A   ;  GB894454-A   ;  GB2139110-A   GENERAL ELECTRIC CO (GENE);  UNITED TECHNOLOGIES CORP (UNAC)   DANTOWITZ P,  MCELROY J F,  CHLUDZINSK P J;  US3012086-A   ;  US3172784-A   ;  US4037024-A   US SEC OF NAVY (USNA)   LANDAU M B;  US4631239-A   WESTINGHOUSE ELECTRIC CORP (WESE)   SPURRIER F R,  PIERCE B L,  WRIGHT M K;  US4684582-A   WESTINGHOUSE ELECTRIC CORP (WESE);  US DEPT ENERGY (USAT)   GRANATA S J,  WOODLE B M;  US4729932-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  US4795683-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  US4826741-A   ERGENICS POWER SYST (ERGE-Non-standard)   ALDHART O J,  ROSSO M J;  US4826742-A   INT FUEL CELLS CORP (ITFU)   REISER C A;  US4973530-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  HEDSTROM J C;  US5047298-A   PERRY OCEANOGRAPHIC (PERR-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  WO1992013365-A1   ;  EP671057-A1 -- DE1814702-A   ;  DE1814702-A1   ;  FR1547910-A   ;  US3012086-A   ;  US5047298-A   PERRY OCEANOGRAPHIC (PERR-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;  WO1992013365-A1   ;  EP671057-A4 -- DE1814702-A1   ;  FR1547910-A   ;  US3012086-A   ;  US5047298-A   PERRY OCEANOGRAPHIC (PERR-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;  WO1992013365-A1   ;  AU675998-B -- AU660496-B   ;  US4973530-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  HEDSTROM J C;  EP671057-B1 -- DE1814702-A   ;  FR1547910-A   ;  US3012086-A   ;  US4973530-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  HEDSTROM J C;  US5047298-A   PERRY OCEANOGRAPHIC (PERR-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;  WO1992013365-A1