Granted Patent
Utility
US 5,588,965 · App. 08/399,789
Device for slowly dilating the prostatic urethra
Inventors:
John H. Burton, Bradford G. Staehle
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Mar 7, 1995
Inventors
John H. Burton
Bradford G. Staehle
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.