Granted Patent
Utility
US 4,900,366 · App. 07/153,156
Method for cleaning contact lens with dissolving abradant
Inventors:
Murray J. Sibley, Rebecca F. Nite
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Feb 8, 1988
Inventors
Murray J. Sibley
Rebecca F. Nite
Assignee (at issue)
Pilkington Visioncare 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.