Granted Patent
Utility
US 4,469,646 · App. 06/406,503
Method of molding plastic contact lenses
Inventor:
David Lionel Rawlings
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Aug 9, 1982
Inventor
David Lionel Rawlings
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.