Granted Patent
Utility
US 5,029,465 · App. 07/514,443
Vortex flowmeter
Inventors:
Yoshihiko Tanimura, Hisato Azuma, Hisato Ishiguro, Yasuo Tada
Patented Case
View Patent ↗
Granted: Jul 9, 1991
Filed: Apr 25, 1990
Inventors
Yoshihiko Tanimura
Hisato Azuma
Hisato Ishiguro
Yasuo Tada
Assignees (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
MITSUBISHI ELECTRIC CORPORATION
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.