Granted Patent
Utility
US 4,383,844 · App. 06/289,686
Optical fiber fusion splicing method
Inventors:
Norio Kashima, Fumihiro Nihei
Patented Case
View Patent ↗
Granted: May 17, 1983
Filed: Aug 3, 1981
Inventors
Norio Kashima
Fumihiro Nihei
Assignee (at issue)
Nippon Telegraph and Telephone Public 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.