Granted Patent
Utility
US 5,072,227 · App. 07/558,911
Method and apparatus for precision attitude determination
Inventor:
Ronald R. Hatch
Patented Case
View Patent ↗
Granted: Dec 10, 1991
Filed: Jul 27, 1990
Inventor
Ronald R. Hatch
Assignee (at issue)
Magnavox Government and Industrial Electronics Company
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.