Granted Patent
Utility
US 4,875,472 · App. 07/131,364
Flat coil spring penile prosthesis
Inventor:
Dezso K. Levius
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Dec 10, 1987
Inventor
Dezso K. Levius
Assignee (at issue)
American Medical Systems, 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.