Assignee

HEDSTROM

3 patents

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US4150820AApr 24, 1979

Motorized swing

HEDSTROM69 citations94

US4211401AJul 8, 1980

Swing having electrically rewound spring motor drive

HEDSTROM41 citations92

US4190283AFeb 26, 1980

Foldable play gym

HEDSTROM27 citations77