Granted Patent
Utility
US 6,231,189 · App. 08/618,442
Dual polarization optical projection systems and methods
Inventors:
D'nardo Colucci, Richard W. Zobel, Jr., David T. Bennett, Raymond L. Idaszak
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Mar 19, 1996
Inventors
D'nardo Colucci
Richard W. Zobel, Jr.
David T. Bennett
Raymond L. Idaszak
Assignee (at issue)
Elumens 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.