Granted Patent
Utility
US 5,148,358 · App. 07/679,965
Rectifier commutation current spike suppressor
Inventor:
Earl M. Estes, Jr.
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Apr 3, 1991
Inventor
Earl M. Estes, Jr.
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.