Granted Patent
Utility
US 4,473,752 · App. 06/382,790
Aircraft engine starting with synchronous ac generator
Inventor:
Michael Cronin
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: May 27, 1982
Inventor
Michael Cronin
Assignee (at issue)
Lockheed Corporation
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.