Granted Patent
Utility
US 5,488,059 · App. 08/250,193
Treatment of erectile dysfunction
Inventor:
Allen Buhl
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: May 27, 1994
Inventor
Allen Buhl
Assignee (at issue)
The Upjohn Co.
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.