US2008145713-A1 -- US2485443-A   ;  US2517269-A   ;  US3961835-A   US SEC OF NAVY (USNA)   HUANG P C,  MATRA J C;  US4430390-A   ENGELHARD MINERALS CORP (ENGH)   FEKETE I;  US4901188-A   RELIANCE COMM/TEC (RELI-Non-standard)   GILBERTS A;  US4919403-A   PROPRIETARY TECH IN (PROP-Non-standard)   BARTHOLOME D D;  US5484666-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  SCHLOSSER W,  GIBB P,  VOSS H H;  US5789091-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US6079679-A   MITCHELL P (MITC-Individual)   MITCHELL P;  US6124051-A   PHOENIX ANALYSIS & DESIGN TECHNOLOGIES (PHOE-Non-standard)   JOHNSON M C;  US20060040166-A1   ;  US6235391-B1   FOAMEX LP (FOAM-Non-standard)   CONTRERAS J D M,  DENNEY D,  SCATTOLINO V;  US6663996-B2   BALLARD POWER SYSTEMS INC (BLRD)   GIBB P R,  OZGUR K;  DE102007059449-A1 -- US5484666-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  SCHLOSSER W,  GIBB P,  VOSS H H;  US5789091-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US8053134-B2 -- US2485443-A   ;  US2517269-A   ;  US3961835-A   US SEC OF NAVY (USNA)   HUANG P C,  MATRA J C;  US4430390-A   ENGELHARD MINERALS CORP (ENGH)   FEKETE I;  US4901188-A   RELIANCE COMM/TEC (RELI-Non-standard)   GILBERTS A;  US4919403-A   PROPRIETARY TECH IN (PROP-Non-standard)   BARTHOLOME D D;  US5484666-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  SCHLOSSER W,  GIBB P,  VOSS H H;  US5789091-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US6079679-A   MITCHELL P (MITC-Individual)   MITCHELL P;  US6124051-A   PHOENIX ANALYSIS & DESIGN TECHNOLOGIES (PHOE-Non-standard)   JOHNSON M C;  US20060040166-A1   ;  US6235391-B1   FOAMEX LP (FOAM-Non-standard)   CONTRERAS J D M,  DENNEY D,  SCATTOLINO V;  US6663996-B2   BALLARD POWER SYSTEMS INC (BLRD)   GIBB P R,  OZGUR K;  DE102007059449-B4 -- US3961835-A   US SEC OF NAVY (USNA)   HUANG P C,  MATRA J C;  US6079679-A   MITCHELL P (MITC-Individual)   MITCHELL P;  US20060040166-A1   ;  US6235391-B1   FOAMEX LP (FOAM-Non-standard)   CONTRERAS J D M,  DENNEY D,  SCATTOLINO V