Granted Patent
Utility
US 4,849,651 · App. 07/160,219
Two-state, bilateral, single-pole, double-throw, half-bridge power-switching apparatus and power supply means for such electronic power switching apparatus
Inventor:
Earl M. Estes, Jr.
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Feb 24, 1988
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.