Granted Patent
Utility
US 6,257,971 · App. 08/967,303
Apparatus for polishing end surface of optical fibers
Inventors:
Mitsuo Takahashi, Joseph Straus
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Oct 21, 1997
Inventors
Mitsuo Takahashi
Joseph Straus
Assignees (at issue)
SEIKOH GIKEN CO., LTD.
JDS Fitel Inc.
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.