Granted Patent
Utility
US 4,805,599 · App. 07/066,147
Framework for supporting surgical instruments at a surgical wound
Inventor:
Charles D. Ray
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Jun 25, 1987
Inventor
Charles D. Ray
Assignee (at issue)
Cedar Surgical, 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.