Granted Patent
Utility
US 4,371,921 · App. 06/144,256
Inertial instrument with a temporally digitized rebalance network
Inventor:
Glenn F. Cushman
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Apr 28, 1980
Inventor
Glenn F. Cushman
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.