Granted Patent
Utility
US 6,309,113 · App. 09/285,230
Optical module, optical fiber connecting plug, and optical coupler equipped with the same
Inventor:
Katsuyoshi Naito
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Apr 1, 1999
Inventor
Katsuyoshi Naito
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.