Granted Patent
Utility
US 5,661,859 · App. 08/546,275
Shoulder arthoscopy attachment
Inventor:
James A. Schaefer
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Oct 20, 1995
Inventor
James A. Schaefer
Assignee (at issue)
Midmark 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.