Granted Patent
Utility
US 4,678,097 · App. 06/883,563
Breakaway gas gap
Inventor:
Billy G. Crute
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: Jul 9, 1986
Inventor
Billy G. Crute
Assignee (at issue)
Stant 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.