Granted Patent
Utility
US 4,206,462 · App. 04/087,961
Secure communication and ranging system
Inventors:
Gerald Rabow, Alvin E. Nashman
Patented Case
View Patent ↗
Granted: Jun 3, 1980
Filed: Feb 8, 1961
Inventors
Gerald Rabow
Alvin E. Nashman
Assignee (at issue)
International Telephone and Telegraph 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.