Granted Patent
Utility
US 6,715,847 · App. 10/053,882
Rotary pump with higher discharge pressure and brake apparatus having same
Inventors:
Takahiro Yamaguchi, Tomoo Harada, Takashi Sato, Hiroshi Kondo, Toshihiko Kawamura
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jan 24, 2002
Inventors
Takahiro Yamaguchi
Tomoo Harada
Takashi Sato
Hiroshi Kondo
Toshihiko Kawamura
Assignee (at issue)
DENSO 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.