Granted Patent
Utility
US 6,281,690 · App. 08/684,021
Coaxial radio frequency test probe
Inventor:
James E. Frey
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Jul 19, 1996
Inventor
James E. Frey
Assignee (at issue)
LOCKHEED MARTIN 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.