Granted Patent
Utility
US 4,295,069 · App. 05/897,109
Armature shaft for a vehicle starter motor
Inventors:
David E. Givan, Charles R. Ashton
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Apr 17, 1978
Inventors
David E. Givan
Charles R. Ashton
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.