Granted Patent
Utility
US 6,720,098 · App. 10/047,009
Compressor arrangement for the operation of a fuel cell system
Inventor:
Stephen Raiser
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jan 15, 2002
Inventor
Stephen Raiser
Assignee (at issue)
General Motors LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.