Granted Patent
Utility
US 6,222,973 · App. 09/232,365
Fabrication of refractive index patterns in optical fibers having protective optical coatings
Inventor:
Dmitry Starodubov
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jan 15, 1999
Inventor
Dmitry Starodubov
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.