Granted Patent
Utility
US 4,662,491 · App. 06/731,081
Apparatus for controlling a clutch for vehicles
Inventors:
Hideyasu Takefuta, Tatsuya Seshima
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: May 6, 1985
Inventors
Hideyasu Takefuta
Tatsuya Seshima
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.