Granted Patent
Utility
US 6,409,807 · App. 09/576,050
Linear gas valve cycle control, shut-off-valve and self test
Inventors:
Charles B. Hager, Kevin Michael Dailey
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: May 23, 2000
Inventors
Charles B. Hager
Kevin Michael Dailey
Assignee (at issue)
Litton Systems, Inc.
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.