Granted Patent
Utility
US 5,142,295 · App. 07/728,487
Power antenna with compact direct drive system
Inventor:
Stephen E. Dourson
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Jul 11, 1991
Inventor
Stephen E. Dourson
Assignee (at issue)
General Motors LLC
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.