Granted Patent
Utility
US 4,748,565 · App. 06/758,048
Apparatus for detecting speed of vehicle with internal combustion engine
Inventor:
Takaaki Toya
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Jul 23, 1985
Inventor
Takaaki Toya
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.