Granted Patent
Utility
US 5,338,480 · App. 07/664,601
Compositions and methods to clean contact lenses
Inventors:
Anthony J. Dziabo, Hampar L. Karageozian, Paul S. Ripley, Sam Lam, J. Abraham Espiritu
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Mar 4, 1991
Inventors
Anthony J. Dziabo
Hampar L. Karageozian
Paul S. Ripley
Sam Lam
J. Abraham Espiritu
Assignee (at issue)
Allegan, 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.