Granted Patent
Utility
US 4,247,898 · App. 05/946,214
Apparatus for computing the change in bearing of an object
Inventor:
Robert J. Bosselaers
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Sep 27, 1978
Inventor
Robert J. Bosselaers
Assignee (at issue)
RCA 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.