Granted Patent
Utility
US 4,165,523 · App. 05/668,571
Automatic scan tracking using an additional sensing means on a bimorph
Inventor:
Richard A. Hathaway
Patented Case
View Patent ↗
Granted: Aug 21, 1979
Filed: Mar 19, 1976
Inventor
Richard A. Hathaway
Assignee (at issue)
Ampex 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.