Granted Patent
Utility
US 6,740,074 · App. 09/925,989
Liquid venting surgical cassette
Inventors:
Michael D. Morgan, Gary P. Sorensen
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Aug 9, 2001
Inventors
Michael D. Morgan
Gary P. Sorensen
Assignee (at issue)
Alcon, 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.