Granted Patent
Utility
US 4,585,488 · App. 06/451,562
Method for disinfecting contact lenses
Inventor:
Gunter Giefer
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Dec 20, 1982
Inventor
Gunter Giefer
Assignee (at issue)
Ciba Vision Care Corporation
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.