Granted Patent
Utility
US 5,267,433 · App. 07/858,368
Air turbine starter having a dual clutch
Inventor:
Darrel W. Burch
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Mar 25, 1992
Inventor
Darrel W. Burch
Assignee (at issue)
AlliedSignal, Inc.
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.