WO200198047-A1 -- US4426340-A   UNITED TECHNOLOGIES CORP (UNAC);  US4432916-A   MORRISON-KNUDSEN FO (MORR-Non-standard)   LOGAN J D;  US4478769-A   AMERACE CORP (AMER)   PRICONE R M,  MONTALBANO A J;  US4496415-A   WESTINGHOUSE ELECTRIC CORP (WESE)   SPRENGLING G R;  US4601861-A   AMERACE CORP (AMER)   PRICONE R M,  ROBERTS W N;  US5017312-A   MORRISON-KNUDSEN CO (MORR-Non-standard);  COE MFG CO (COEM-Non-standard)   PETERS T E,  LOGAN J D,  TT E R,  DIETER C L,  HENCKEL D J;  US6454978-B1 -- US3737265-A   FERMA ENTWICKLUNGSWERK FU (FERW);  US3844906-A   ;  US3959109-A   ;  US4075383-A   MONSANTO CO (MONS);  US4115490-A   FURNIER & SPERRHOLZWERK WERZ (FURN);  US4347202-A   MORRISON-KNUDSEN FO (MORR-Non-standard)   HENCKEL D J,  PETERS T E;  US4426340-A   UNITED TECHNOLOGIES CORP (UNAC);  US4432916-A   MORRISON-KNUDSEN FO (MORR-Non-standard)   LOGAN J D;  US4438053-A   ;  US4478769-A   AMERACE CORP (AMER)   PRICONE R M,  MONTALBANO A J;  US4486363-A   AMERACE CORP (AMER)   PRICONE R,  HEENAN S;  US4496415-A   WESTINGHOUSE ELECTRIC CORP (WESE)   SPRENGLING G R;  US4501646-A   ;  US4601861-A   AMERACE CORP (AMER)   PRICONE R M,  ROBERTS W N;  US4654195-A   INT FUEL CELLS CORP (ITFU)   WNUCK W G,  DEC B J,  JARVIS R J;  US4664758-A   ;  US4781799-A   ;  US5017312-A   MORRISON-KNUDSEN CO (MORR-Non-standard);  COE MFG CO (COEM-Non-standard)   PETERS T E,  LOGAN J D,  TT E R,  DIETER C L,  HENCKEL D J;  US5073219-A   ;  US5160421-A   ;  US5200129-A   NIPPON OIL KK (NIOC)   KOBAYASHI S,  MIZOE T,  IWANAMI Y;  US5213872-A   STIMSONITE CORP (STIM-Non-standard)   PRICONE R M,  ZANOTTI R,  SZOPINSKI A A;  US5266257-A   GENCORP INC (GENT)   KILDUNE J S;  US5269994-A   ;  US5284546-A   ;  US5300370-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WASHINGTON K B;  US5327825-A   TRANSFER PRINT FOILS INC (TRAN-Non-standard)   PARKER H A,  ALLOCCO J,  DIXON J;  US5498309-A   BISON-WERKE BAEHRE & GRETEN GMBH (BAHR)   GRETEN B,  SEEGER G,  POPPELREUTER K;  US5506671-A   ;  US5521018-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  LAMONT G J,  VOSS H H,  SCHWAB C;  US5521030-A   MCGREW S P (MCGR-Individual)   MCGREW S P;  US5773160-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  VOSS H H,  JOHNSON M C,  POW E G,  WILKINSON D P;  US5981098-A   PLUG POWER LLC (PLUG-Non-standard)   VITALE N G;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  US6197235-B1   US GYPSUM CO (USGY)   MILLER D P,  HUSS M