Granted Patent
Utility
US 4,623,322 · App. 06/099,801
Mechanical drive with bi-directional override
Inventor:
Robert Melchior
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Dec 3, 1979
Inventor
Robert Melchior
Assignee (at issue)
North American Philips 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.