Granted Patent
Utility
US 4,621,328 · App. 06/485,011
Apparatus for controlling a speed change gear
Inventors:
Kenji Arai, Masaharu Inamo
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Apr 14, 1983
Inventors
Kenji Arai
Masaharu Inamo
Assignee (at issue)
Diesel Kiki Co., 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.