Granted Patent
Utility
US 4,482,824 · App. 06/397,648
Tracking ROM drive and sense circuit
Inventor:
Chin-Pyng J. Tzeng
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Jul 12, 1982
Inventor
Chin-Pyng J. Tzeng
Assignee (at issue)
Rockwell International 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.