Granted Patent
Utility
US 4,790,810 · App. 06/794,575
Ureteral connector stent
Inventors:
Robert W. Pugh, Jr., Dezso K. Levius
Patented Case
View Patent ↗
Granted: Dec 13, 1988
Filed: Nov 4, 1985
Inventors
Robert W. Pugh, Jr.
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.