Granted Patent
Utility
US 4,537,065 · App. 06/575,996
Device for detection of abnormality in pressure detector for internal combustion engine
Inventors:
Yoshinori Ootsuka, Tadashi Hattori, Minoru Yamamoto, Tadashi Ozaki
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Feb 1, 1984
Inventors
Yoshinori Ootsuka
Tadashi Hattori
Minoru Yamamoto
Tadashi Ozaki
Assignees (at issue)
NIPPON SOKEN, INC.
Nippondenso 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.