WO200113453-A1 -- US5403461-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   TULLER H L,  KRAMER S A,  SPEARS M A,  PAL U B;  US5509189-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   TULLER H L,  KRAMER S A,  SPEARS M A,  PAL U B;  US5599383-A   AIR PROD & CHEM INC (AIRP)   DYER P N,  MINFORD E,  RUSSEK S L,  CAROLAN M F,  BRIGHT J D,  RICHARDS R E,  TAYLOR D M,  WILSON M A;  US6541159-B1 -- US3489670-A   GENERAL ELECTRIC CO (GENE);  US4131514-A   SUN OIL CO PENNSYLVANIA (SUNO)   CHONG V M,  SEITZER W H;  US4539086-A   JAPAN STORAGE BATTERY CO LTD (NIST)   FUJITA Y,  KUDO H;  US4738760-A   INST GAS TECHNOLOGY (IGTE)   MARIANOWSK L G,  REMICK R J;  US4828941-A   BASF AG (BADI)   STERZEL H J;  US4879016-A   CERAMATEC INC (CERA-Non-standard)   JOSHI A V;  US5403461-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   TULLER H L,  KRAMER S A,  SPEARS M A,  PAL U B;  US5509189-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   TULLER H L,  KRAMER S A,  SPEARS M A,  PAL U B;  US5572874-A   BOC GROUP PLC (BRTO)   RATHBONE T;  US5599383-A   AIR PROD & CHEM INC (AIRP)   DYER P N,  MINFORD E,  RUSSEK S L,  CAROLAN M F,  BRIGHT J D,  RICHARDS R E,  TAYLOR D M,  WILSON M A;  US5616223-A   GAS RES INST (GASR-Non-standard)   VIRKAR A V,  LIU M,  JOSHI A V,  SHEN Y,  KRIST K;  US5639437-A   AMOCO CORP (STAD)   BALACHANDRAN U,  KLEEFISCH M S,  KOBYLINSKI T P,  MORISSETTE S L,  PEI S;  US5643355-A   NORMALAIR GARRETT HOLDINGS LTD (NORM-Non-standard)   PHILLIPS R J,  SIMONS A;  US5656388-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   WITHAM C K,  HIGHTOWER A,  BOWMAN R C,  HALPERT G,  BUGGA R V,  FULTZ B;  US5677074-A   DAIS CORP (DAIS-Non-standard)   TANGREDI T N,  WNEK G E,  SERPICO J M,  EHRENBERG S G;  US5706675-A   G & A ASSOC (GAAS-Non-standard)   MANIKOWSKI A F;  US5788682-A   MAGET H J (MAGE-Individual)   MAGET H J;  US5788826-A   PIONETICS CORP (PION-Non-standard)   NYBERG E D;  US6171368-B1   MED-E-CELL (MEDE-Non-standard)   MAGET H J R,  ROSATI R J;  US6183914-B1   REVEO INC (REVO)   YAO W,  TSAI T,  CHANG Y,  CHEN M