Granted Patent
Utility
US 4,112,464 · App. 05/795,765
Subscription TV decoder logic system
Inventors:
Stanley E. Guif, Terry L. Nimmer, Donald A. Weigt, Glenn Wolenec, Richard C. Gall
Patented Case
View Patent ↗
Granted: Sep 5, 1978
Filed: May 11, 1977
Inventors
Stanley E. Guif
Terry L. Nimmer
Donald A. Weigt
Glenn Wolenec
Richard C. Gall
Assignee (at issue)
Oak Industries 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.