Granted Patent
Utility
US 4,313,355 · App. 06/086,470
Method and apparatus for manufacturing plastic lenses
Inventors:
Ronald K. Becker, Donald R. Korb
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Oct 19, 1979
Inventors
Ronald K. Becker
Donald R. Korb
Assignee (at issue)
Syntex (U.S.A.) LLC
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.