Granted Patent
Utility
US 5,566,716 · App. 08/456,964
Hydraulic control valve
Inventors:
Yoshio Togashi, Kenji Nakamura, Hiroshi Iwata, Michisada Sakamoto, Yutaka Yasuhara
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Jun 1, 1995
Inventors
Yoshio Togashi
Kenji Nakamura
Hiroshi Iwata
Michisada Sakamoto
Yutaka Yasuhara
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.