Granted Patent
Utility
US 6,118,559 · App. 09/071,762
Broadband diffractive diffuser and associated methods
Inventors:
Alan D. Kathman, Eric G. Johnson, Adam Fedor, James E. Morris
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: May 5, 1998
Inventors
Alan D. Kathman
Eric G. Johnson
Adam Fedor
James E. Morris
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.