Granted Patent
Utility
US 3,962,532 · App. 05/569,346
Power supply for an audio-video recording system
Inventors:
Richard C. Aubert, George R. Dean, James B. Ricks, John Wade
Patented Case
View Patent ↗
Granted: Jun 8, 1976
Filed: Apr 18, 1975
Inventors
Richard C. Aubert
George R. Dean
James B. Ricks
John Wade
Assignee (at issue)
Bell and Howell, 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.