Granted Patent
Utility
US 5,195,163 · App. 07/766,939
Fabrication and phase tuning of an optical waveguide device
Inventors:
William K. Burns, Catherine H. Bulmer, Arthur Greenblatt
Patented Case
View Patent ↗
Granted: Mar 16, 1993
Filed: Sep 27, 1991
Inventors
William K. Burns
Catherine H. Bulmer
Arthur Greenblatt
Assignee (at issue)
The United States of America, as represented by the Secretary of the Navy
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.