Granted Patent
Utility
US 6,456,767 · App. 09/818,894
Optical waveguide transmitter-receiver module
Inventor:
Tokihiro Terashima
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Mar 28, 2001
Inventor
Tokihiro Terashima
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.