Granted Patent
Utility
US 4,301,397 · App. 06/143,459
DC Antenna rotator system
Inventor:
J. Craig Journey
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Apr 24, 1980
Inventor
J. Craig Journey
Assignee (at issue)
Cornell-Dubilier Electric 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.