Granted Patent
Utility
US 6,025,890 · App. 09/026,762
Beam splitter element including a beam splitting layer and a polarizing layer for use in a light polarization modulating display system
Inventor:
Holden Chase
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Feb 20, 1998
Inventor
Holden Chase
Assignee (at issue)
Displaytech, 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.