Granted Patent
Utility
US 5,840,414 · App. 08/751,543
Porous carbon body with increased wettability by water
Inventors:
John A. S. Bett, Douglas J. Wheeler, Calvin L. Bushnell
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Nov 15, 1996
Inventors
John A. S. Bett
Douglas J. Wheeler
Calvin L. Bushnell
Assignee (at issue)
International Fuel Cells, 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.