Granted Patent
Utility
US 4,726,649 · App. 06/810,256
Optical fiber cable
Inventors:
Kiyoshi Funaki, Kenichi Mochizuki, Yoshinori Suga, Eiji Tanaka
Patented Case
View Patent ↗
Granted: Feb 23, 1988
Filed: Dec 18, 1985
Inventors
Kiyoshi Funaki
Kenichi Mochizuki
Yoshinori Suga
Eiji Tanaka
Assignees (at issue)
Ocean Cable Co., Ltd.
Mitsubishi Chemical Industries, 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.