Granted Patent
Utility
US 6,537,545 · App. 09/656,849
Use of corneal hardening agents in enzymeorthokeratology
Inventors:
Hamper Karageozian, John Y. Park, Vicken H. Karageozian, Phillip Baker, Anthony B. Nesburn
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Sep 7, 2000
Inventors
Hamper Karageozian
John Y. Park
Vicken H. Karageozian
Phillip Baker
Anthony B. Nesburn
Assignee (at issue)
ISTA Pharmaceuticals, 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.