Granted Patent
Utility
US 4,653,485 · App. 06/633,203
Penile erection device stiffener cylinder and implantation method
Inventor:
Robert E. Fishell
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: Jul 23, 1984
Inventor
Robert E. Fishell
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.