Granted Patent
Utility
US 4,209,289 · App. 06/039,100
Contact lens mold
Inventors:
Paul D. Newcomb, Ethan C. Hopkins, Paul A. Davignon
Patented Case
View Patent ↗
Granted: Jun 24, 1980
Filed: May 14, 1979
Inventors
Paul D. Newcomb
Ethan C. Hopkins
Paul A. Davignon
Assignee (at issue)
American Optical 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.