Granted Patent
Utility
US 5,699,247 · App. 07/726,882
Fuzzy control system and method for hydraulic backhoe or like excavator
Inventors:
Naoyuki Moriya, Makoto Samejima, Yujiro Shimizu
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jul 8, 1991
Inventors
Naoyuki Moriya
Makoto Samejima
Yujiro Shimizu
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.