Granted Patent
Utility
US 4,602,809 · App. 06/673,696
Miniature O-ringless gas line isolator
Inventors:
Oakley G. Ross, Mark L. Kline, Johnny R. Vieyra
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Nov 21, 1984
Inventors
Oakley G. Ross
Mark L. Kline
Johnny R. Vieyra
Assignee (at issue)
General Dynamics Corp., Pomona Division
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.