Granted Patent
Utility
US 4,350,409 · App. 06/248,799
Connector keying device
Inventors:
Matsuo Kato, Tomonari Ohtsuki, Yoshiaki Igarashi, Tsukasa Saito, Toshiaki Suzuki
Patented Case
View Patent ↗
Granted: Sep 21, 1982
Filed: Mar 30, 1981
Inventors
Matsuo Kato
Tomonari Ohtsuki
Yoshiaki Igarashi
Tsukasa Saito
Toshiaki Suzuki
Assignee (at issue)
Bunker Ramo 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.