Granted Patent
Utility
US 4,471,389 · App. 06/353,560
Interference pulse elimination in capacitance electronic disc systems
Inventor:
Michael L. Tentler
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Mar 1, 1982
Inventor
Michael L. Tentler
Assignee (at issue)
Zenith Electronics LLC
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.