Granted Patent
Utility
US 6,040,932 · App. 08/864,895
Method and circuit for demultiplexing an optical signal
Inventors:
Gary Duck, Koichi Abe, Joseph Ip, Mark Farries, Paul Colbourne
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: May 29, 1997
Inventors
Gary Duck
Koichi Abe
Joseph Ip
Mark Farries
Paul Colbourne
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.