Granted Patent
Utility
US 4,296,639 · App. 06/112,870
Free rotor gyro with three torquers and three pickoffs
Inventor:
Menno G. Koning
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Jan 16, 1980
Inventor
Menno G. Koning
Assignee (at issue)
Northrop 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.