Granted Patent
Utility
US 6,560,495 · App. 09/513,363
Method and device for locking work machine
Inventors:
Hideto Furuta, Naoyuki Moriya
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Feb 25, 2000
Inventors
Hideto Furuta
Naoyuki Moriya
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.