Inventor

THUMM HORST

DE2 patents

Patents

2 patents

US6797091B2Sep 28, 2004

Method for embossing expanded graphite sheet material under reduced pressure

BALLARD POWER SYSTEMS20 citations87

US6534115B2Mar 18, 2003

Control process for impregnating porous parts and apparatus therefor

BALLARD POWER SYSTEMS3 citations53