Granted Patent
Utility
US 6,739,679 · App. 10/186,920
Rolling wheel support structure for crawler traveling apparatus
Inventors:
Yoshio Ueno, Masanori Kitano
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Jul 2, 2002
Inventors
Yoshio Ueno
Masanori Kitano
Assignee (at issue)
SUMITOMO RUBBER INDUSTRIES, 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.