Granted Patent
Utility
US 4,085,763 · App. 05/719,741
Quad cane
Inventor:
Morton I. Thomas
Patented Case
View Patent ↗
Granted: Apr 25, 1978
Filed: Sep 2, 1976
Inventor
Morton I. Thomas
Assignee (at issue)
Temco Products 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.