Granted Patent
Utility
US 6,522,964 · App. 09/355,223
Control apparatus and control method for a construction machine
Inventors:
Masatoshi Miki, Mitsuru Hikiyama
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Aug 30, 1999
Inventors
Masatoshi Miki
Mitsuru Hikiyama
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.