Granted Patent
Utility
US 5,649,905 · App. 08/444,423
Method for regulating intraocular pressure during endophthalmic surgery
Inventors:
Frank Zanger, Edward Zaleski, Mark S. Cole
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: May 19, 1995
Inventors
Frank Zanger
Edward Zaleski
Mark S. Cole
Assignee (at issue)
Allergan, 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.