Granted Patent
Utility
US 6,810,178 · App. 10/098,923
Large diameter optical waveguide having blazed grating therein
Inventors:
Michael A. Davis, Alan D. Kersey
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Mar 16, 2002
Inventors
Michael A. Davis
Alan D. Kersey
Assignee (at issue)
CiDRA Corporation
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.