Granted Patent
Utility
US 4,730,632 · App. 06/853,131
Cane with handle featuring gripping aids
Inventor:
Ronald L. Mace
Patented Case
View Patent ↗
Granted: Mar 15, 1988
Filed: Apr 17, 1986
Inventor
Ronald L. Mace
Assignee (at issue)
Jung GmbH
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.