Granted Patent
Utility
US 4,291,508 · App. 06/099,227
Lens surfacing pad
Inventor:
Louis Prunier
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: Nov 30, 1979
Inventor
Louis Prunier
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.