Granted Patent
Utility
US 6,132,735 · App. 08/932,974
Enzyme-orthokeratology
Inventors:
Donald H. Harris, Charles May, Hampar L. Karageozian
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Sep 18, 1997
Inventors
Donald H. Harris
Charles May
Hampar L. Karageozian
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.