Granted Patent
Utility
US 4,649,919 · App. 06/694,012
Surgical instrument
Inventors:
James A. Thimsen, Terry L. Whipple, Richard B. Caspari
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: Jan 23, 1985
Inventors
James A. Thimsen
Terry L. Whipple
Richard B. Caspari
Assignee (at issue)
Precision Surgical Instruments, 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.