Granted Patent
Utility
US 5,315,426 · App. 07/852,407
Optical transmitter
Inventor:
Yasubiro Aoki
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Mar 16, 1992
Inventor
Yasubiro Aoki
Assignee (at issue)
NEC CORPORATION
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.