Granted Patent
Utility
US 6,030,718 · App. 08/979,853
Proton exchange membrane fuel cell power system
Inventors:
William A. Fuglevand, Shiblihanna I. Bayyuk, Greg Lloyd, Peter De Vries, David R. Lott, John P. Scartozzi, Gregory M. Somers, Ronald G. Stokes
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Nov 20, 1997
Inventors
William A. Fuglevand
Shiblihanna I. Bayyuk
Greg Lloyd
Peter De Vries
David R. Lott
John P. Scartozzi
Gregory M. Somers
Ronald G. Stokes
Assignee (at issue)
Avista Corporation
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.