Granted Patent
Utility
US 6,091,521 · App. 09/418,152
Light collection from diffractive displays
Inventor:
Milan Momcilo Popovich
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Oct 13, 1999
Inventor
Milan Momcilo Popovich
Assignee (at issue)
DigiLens 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.