Granted Patent
Utility
US 6,244,831 · App. 09/373,341
Control device for variable displacement pump
Inventors:
Sachio Kawabata, Kazuhide Matsuda, Ryuji Sakai
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Aug 12, 1999
Inventors
Sachio Kawabata
Kazuhide Matsuda
Ryuji Sakai
Assignee (at issue)
KAWASAKI JUKOGYO KABUSHIKI KAISHA
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.