Granted Patent
Utility
US 4,202,226 · App. 05/875,394
Method and apparatus for manufacturing plastic lenses
Inventors:
Ronald K. Becker, Donald R. Korb
Patented Case
View Patent ↗
Granted: May 13, 1980
Filed: Feb 6, 1978
Inventors
Ronald K. Becker
Donald R. Korb
Assignee (at issue)
SyntexLaboratories, 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.