Granted Patent
Utility
US 4,382,824 · App. 06/316,937
Method for disinfecting and cleaning contact lenses
Inventor:
Frank E. Halleck
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: Oct 30, 1981
Inventor
Frank E. Halleck
Assignee (at issue)
American Sterilizer Company
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.