Granted Patent
Utility
US 5,745,617 · App. 08/775,461
Near-ultra-violet formation of refractive-index grating using reflective phase mask
Inventors:
Dmitry Starodubov, Jack L. Feinberg
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Dec 30, 1996
Inventors
Dmitry Starodubov
Jack L. Feinberg
Assignee (at issue)
D-Star Technologies, 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.