Granted Patent
Utility
US 6,702,897 · App. 09/973,321
Optical transmission systems and apparatuses including bragg gratings and methods of making
Inventors:
Thomas J. Cullen, Timothy E. Hammon, John M. Stockhausen
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Oct 9, 2001
Inventors
Thomas J. Cullen
Timothy E. Hammon
John M. Stockhausen
Assignee (at issue)
Acme Grating Ventures, LLC
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.