Granted Patent
Utility
US 5,267,956 · App. 07/945,077
Surgical cassette
Inventor:
Charles E. Beuchat
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Sep 15, 1992
Inventor
Charles E. Beuchat
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.