Granted Patent
Utility
US 4,843,877 · App. 07/113,180
Acceleration sensor
Inventors:
Takeo Kushida, Susumu Taira, Wataru Nagasaki, Hajime Muramatsu, Toshikazu Sakakibara
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Oct 23, 1987
Inventors
Takeo Kushida
Susumu Taira
Wataru Nagasaki
Hajime Muramatsu
Toshikazu Sakakibara
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.