Granted Patent
Utility
US 5,511,044 · App. 07/773,366
Thrust producing apparatus
Inventor:
Boyd B. Bushman
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Oct 19, 1991
Inventor
Boyd B. Bushman
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.