Granted Patent
Utility
US 6,794,076 · App. 09/996,859
Fuel cell with a device for storing water
Inventor:
Ilona Busenbender
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Nov 20, 2001
Inventor
Ilona Busenbender
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.