Granted Patent
Utility
US 6,501,883 · App. 10/101,522
Method and apparatus for recording an optical grating in a photosensitive medium
Inventors:
Yves Painchaud, Alain Mailloux, Hélène Chotard
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Mar 18, 2002
Inventors
Yves Painchaud
Alain Mailloux
Hélène Chotard
Assignee (at issue)
TERAXION 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.