Granted Patent
Utility
US 5,149,181 · App. 07/609,161
Lens wafer, laminate lens and method of fabrication thereof
Inventor:
Mark J. Bedford
Patented Case
View Patent ↗
Granted: Sep 22, 1992
Filed: Nov 2, 1990
Inventor
Mark J. Bedford
Assignee (at issue)
Pilkington Visioncare 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.