Granted Patent
Utility
US 4,725,698 · App. 06/936,420
Electric connector device
Inventors:
Nobuei Takai, Haruo Sakamoto, Kouzou Uekido, Michiaki Nishiyama
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: Dec 1, 1986
Inventors
Nobuei Takai
Haruo Sakamoto
Kouzou Uekido
Michiaki Nishiyama
Assignees (at issue)
Du Pont Japan Ltd.
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.