Granted Patent
Utility
US 6,678,078 · App. 09/478,150
Optical filter employing holographic optical elements and image generating system incorporating the optical filter
Inventors:
Milan Momcilo Popovich, C. David Nabors
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Jan 5, 2000
Inventors
Milan Momcilo Popovich
C. David Nabors
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.