Granted Patent
Utility
US 6,420,073 · App. 09/584,095
Fabricating optical elements using a photoresist formed from proximity printing of a gray level mask
Inventors:
Thomas J. Suleski, William Delaney, Michael R. Feldman
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: May 31, 2000
Inventors
Thomas J. Suleski
William Delaney
Michael R. Feldman
Assignee (at issue)
DigitalOptics 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.