Granted Patent
Utility
US 4,574,305 · App. 06/522,908
Remote hub television and security systems
Inventors:
John G. Campbell, Carl F. Schoeneberger
Patented Case
View Patent ↗
Granted: Mar 4, 1986
Filed: Aug 11, 1983
Inventors
John G. Campbell
Carl F. Schoeneberger
Assignee (at issue)
Tocum, Incorporated
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.