Granted Patent
Utility
US 5,643,271 · App. 08/303,628
Angled orthopedic surfacer and guide
Inventors:
Gary W. Sederholm, Kenneth Gustke, Janet L. Krevolin
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Sep 9, 1994
Inventors
Gary W. Sederholm
Kenneth Gustke
Janet L. Krevolin
Assignee (at issue)
Sulzer Orthopedics Ltd.
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.