Granted Patent
Utility
US 4,278,977 · App. 06/036,012
Range determining system
Inventor:
Edward J. Nossen
Patented Case
View Patent ↗
Granted: Jul 14, 1981
Filed: May 4, 1979
Inventor
Edward J. Nossen
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.