Granted Patent
Utility
US 4,216,474 · App. 05/972,709
Pulse frequency modulator and compressor for staircase FM radar systems
Inventor:
Arnold M. Levine
Patented Case
View Patent ↗
Granted: Aug 5, 1980
Filed: Dec 26, 1978
Inventor
Arnold M. Levine
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.