Granted Patent
Utility
US 4,642,641 · App. 05/709,678
Variable PRF target tracking radar
Inventor:
Robert Campbell
Patented Case
View Patent ↗
Granted: Feb 10, 1987
Filed: Jul 29, 1976
Inventor
Robert Campbell
Assignee (at issue)
Westinghouse Electric Company LLC
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.