Granted Patent
Utility
US 6,561,999 · App. 09/675,683
Surgical cassette and consumables for combined ophthalmic surgical procedure
Inventors:
Nader Nazarifar, Dennis L. Steppe
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Sep 29, 2000
Inventors
Nader Nazarifar
Dennis L. Steppe
Assignee (at issue)
ALCON UNIVERSAL LTD.
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.