Granted Patent
Utility
US 4,848,338 · App. 07/220,950
Hydraulically operated surgical instrument
Inventors:
Allen H. De Satnick, Herbert D. Marcus, Shekhar D. Nimkar
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Jun 20, 1988
Inventors
Allen H. De Satnick
Herbert D. Marcus
Shekhar D. Nimkar
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.