Granted Patent
Utility
US 4,878,487 · App. 07/199,109
Illuminated tissue manipulator for ophthalmic surgery
Inventor:
Kevin B. Sinnett
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: May 26, 1988
Inventor
Kevin B. Sinnett
Assignee (at issue)
Trek Medical Products, 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.