Granted Patent
Utility
US 6,509,719 · App. 10/125,980
Children's ride-on vehicle having a battery with an internal circuit breaker
Inventors:
Chuck J. Crofut, Brian L. Bienz
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Apr 19, 2002
Inventors
Chuck J. Crofut
Brian L. Bienz
Assignee (at issue)
MATTEL, INC.
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.