Granted Patent
Utility
US 4,264,839 · App. 06/047,672
Orientation independent ignitron
Inventor:
John R. Bayless
Patented Case
View Patent ↗
Granted: Apr 28, 1981
Filed: Jun 12, 1979
Inventor
John R. Bayless
Assignee (at issue)
Hughes Aircraft Company
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.