Granted Patent
Utility
US 5,428,531 · App. 07/851,491
Speed change control method for setting a gearshift position of an automatic transmission for vehicles based upon driver acceleration intention and external variables
Inventor:
Kazuya Hayafune
Patented Case
View Patent ↗
Granted: Jun 27, 1995
Filed: Mar 13, 1992
Inventor
Kazuya Hayafune
Assignee (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
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.