IP Library Granted Patent US 6,520,828
Granted Patent Utility
US 6,520,828 · App. 10/036,280

Variable performance toys

Inventor: Albert J. Ferrigno
Patented Case View Patent ↗
Granted: Feb 18, 2003 Filed: Oct 24, 2001
Inventor
Albert J. Ferrigno
Assignee (at issue)
MATTEL, INC.

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Quick Facts
Patent No.
US 6,520,828
App. No.
10/036,280
Filed
2001-10-24
Granted
2003-02-18
Kind
B2