Granted Patent
Utility
US 4,304,213 · App. 06/130,553
Air gun and pressure relief valve therefor
Inventor:
James R. Jereckos
Patented Case
View Patent ↗
Granted: Dec 8, 1981
Filed: Mar 14, 1980
Inventor
James R. Jereckos
Assignee (at issue)
The Coleman 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.