Granted Patent
Utility
US 5,165,732 · App. 07/681,152
Gas appliance connection
Inventor:
Donald M. Townsend
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Apr 5, 1991
Inventor
Donald M. Townsend
Assignee (at issue)
Simpson Dura-Vent Company, 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.