Granted Patent
Utility
US 5,429,416 · App. 08/036,824
Self-supporting arm elevator
Inventor:
Stephen J. Lofy
Patented Case
View Patent ↗
Granted: Jul 4, 1995
Filed: Mar 25, 1993
Inventor
Stephen J. Lofy
Assignee (at issue)
North Coast Medical, Inc.
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.