Granted Patent
Utility
US 6,111,618 · App. 09/028,158
LCD projector illumination system having blue and red dichroic mirrors positioned such that blue mirror receives light before red mirror
Inventors:
David K. Booth, Arlie R. Conner
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Feb 23, 1998
Inventors
David K. Booth
Arlie R. Conner
Assignee (at issue)
Lightware, 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.