Granted Patent
Utility
US 6,588,937 · App. 10/112,158
Optical coupling device for easing stress working on optical fiber
Inventors:
Seisaku Imai, Mikio Oka, Masashi Katoh
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Mar 27, 2002
Inventors
Seisaku Imai
Mikio Oka
Masashi Katoh
Assignee (at issue)
ALPS ELECTRIC 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.