Granted Patent
Utility
US 6,500,116 · App. 09/655,921
Surgical retractor having improved blades
Inventor:
Tracey E. Knapp
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Sep 6, 2000
Inventor
Tracey E. Knapp
Assignee (at issue)
Genzyme Corporation
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.