Granted Patent
Utility
US 4,527,192 · App. 06/470,884
Index signal enhancement circuit
Inventors:
Richard W. Midland, Boris Rozansky
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Feb 28, 1983
Inventors
Richard W. Midland
Boris Rozansky
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.