Granted Patent
Utility
US 6,805,416 · App. 10/196,227
Core bar for rubber crawler and rubber crawler
Inventor:
Yoshio Ueno
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Jul 17, 2002
Inventor
Yoshio Ueno
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.