Granted Patent
Utility
US 6,404,969 · App. 09/281,406
Optical switching and attenuation systems and methods therefor
Inventors:
Parviz Tayebati, Daryoosh Vakhshoori, Masud Azimi
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Mar 30, 1999
Inventors
Parviz Tayebati
Daryoosh Vakhshoori
Masud Azimi
Assignee (at issue)
Coretek, 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.