Granted Patent
Utility
US 3,954,644 · App. 05/377,430
Flexible contact lens cleaning, storing, and wetting compositions
Inventors:
Joseph Z. Krezanoski, John C. Petricciani
Patented Case
View Patent ↗
Granted: May 4, 1976
Filed: Jul 9, 1973
Inventors
Joseph Z. Krezanoski
John C. Petricciani
Assignee (at issue)
Flow 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.