Granted Patent
Utility
US 5,176,628 · App. 07/701,947
Vitreous cutter
Inventors:
Steven T. Charles, Hugh J. Tyler, David M. Domash
Patented Case
View Patent ↗
Granted: Jan 5, 1993
Filed: May 16, 1991
Inventors
Steven T. Charles
Hugh J. Tyler
David M. Domash
Assignee (at issue)
Alcon 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.