Granted Patent
Utility
US 6,569,504 · App. 09/639,500
Mesogenic materials with anomalous birefringence dispersion and high second order susceptibility (X(2))
Inventors:
David M. Walba, Daniel Dyer, Uwe Muller, Peter Cobben, Xin Chen, William N. Thurmes, Michael Wand
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Aug 11, 2000
Inventors
David M. Walba
Daniel Dyer
Uwe Muller
Peter Cobben
Xin Chen
William N. Thurmes
Michael Wand
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.