Granted Patent
Utility
US 4,376,920 · App. 06/250,053
Shielded radio frequency transmission cable
Inventor:
Kenneth L. Smith
Patented Case
View Patent ↗
Granted: Mar 15, 1983
Filed: Apr 1, 1981
Inventor
Kenneth L. Smith
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.