Granted Patent
Utility
US 4,909,586 · App. 07/295,506
Two-way connector
Inventors:
Toshiyasu Tanaka, Toshimi Nagaishi, Mituyoshi Suzuki
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Jan 11, 1989
Inventors
Toshiyasu Tanaka
Toshimi Nagaishi
Mituyoshi Suzuki
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.