Granted Patent
Utility
US 5,260,021 · App. 07/905,630
Hydrogen peroxide-containing gels and contact lens disinfecting using same
Inventor:
Lowell Zeleznick
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Jun 29, 1992
Inventor
Lowell Zeleznick
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.