Granted Patent
Utility
US 4,778,735 · App. 07/130,420
Storage battery gang vent cap
Inventors:
Mark J. Shestok, Gerald D. Hudack, Scott Cronrath
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Dec 9, 1987
Inventors
Mark J. Shestok
Gerald D. Hudack
Scott Cronrath
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.