Granted Patent
Utility
US 4,462,421 · App. 06/403,695
High pressure electrical insulator
Inventors:
Oakley G. Ross, Larry D. Wedertz
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Jul 30, 1982
Inventors
Oakley G. Ross
Larry D. Wedertz
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.