Granted Patent
Utility
US 6,494,787 · App. 10/039,592
Children's stand up spinner ride
Inventors:
Frank Bork, Steven P. Hanson
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Oct 22, 2001
Inventors
Frank Bork
Steven P. Hanson
Assignee (at issue)
Hedstrom Corporation
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.