Granted Patent
Utility
US 4,457,761 · App. 06/466,786
Method and apparatus for marking contact lenses
Inventor:
Richard Sliger
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Feb 16, 1983
Inventor
Richard Sliger
Assignee (at issue)
Precision-Cosmet Co., 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.