Granted Patent
Utility
US 4,072,899 · App. 05/680,412
RF leak detector
Inventor:
Richard L. Shimp
Patented Case
View Patent ↗
Granted: Feb 7, 1978
Filed: Apr 26, 1976
Inventor
Richard L. Shimp
Assignee (at issue)
ComSonics, Inc.
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.