Granted Patent
Utility
US 6,587,180 · App. 09/820,100
Adjustable liquid crystal blazed grating deflector
Inventors:
Xu Wang, Demetri Psaltis
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Mar 27, 2001
Inventors
Xu Wang
Demetri Psaltis
Assignee (at issue)
California Institute of Technology
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.