Granted Patent
Utility
US 4,451,859 · App. 06/364,736
Magnetic video head position control
Inventor:
Stan L. Noel
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Apr 2, 1982
Inventor
Stan L. Noel
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.