Granted Patent
Utility
US 5,489,290 · App. 08/069,220
Flush port for endoscopic surgical instruments
Inventor:
Greg Furnish
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: May 28, 1993
Inventor
Greg Furnish
Assignee (at issue)
Snowden Pencer, 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.