Granted Patent
Utility
US 4,635,670 · App. 06/805,703
Heat sensitive valve
Inventor:
James E. Kilmoyer
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: Dec 6, 1985
Inventor
James E. Kilmoyer
Assignee (at issue)
Cameron Iron Works, 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.