Granted Patent
Utility
US 6,547,339 · App. 09/933,848
Wheel having rotating bodies
Inventors:
Kazuo Bandou, Akitoshi Fukuda
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Aug 21, 2001
Inventors
Kazuo Bandou
Akitoshi Fukuda
Assignee (at issue)
Kanto Auto Works, 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.