Granted Patent
Utility
US 6,815,113 · App. 10/068,154
Compliant electrical contacts for fuel cell use
Inventors:
Jerrold E. Franklin, Eric Mettler
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Feb 6, 2002
Inventors
Jerrold E. Franklin
Eric Mettler
Assignee (at issue)
ALTERGY SYSTEMS
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.