Granted Patent
Utility
US 4,395,905 · App. 06/312,431
Sensor trouble detecting method and apparatus
Inventors:
Kyoichi Fujimori, Hidekazu Oshizawa
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Oct 16, 1981
Inventors
Kyoichi Fujimori
Hidekazu Oshizawa
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.