Granted Patent
Utility
US 5,266,010 · App. 07/997,883
Method and apparatus for controlling hydraulic pump
Inventors:
Masayuki Tanaka, Isao Murota, Kazuhito Nakai, Makoto Iga
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Dec 29, 1992
Inventors
Masayuki Tanaka
Isao Murota
Kazuhito Nakai
Makoto Iga
Assignee (at issue)
Shin Caterpillar Mitsubishi 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.