
Harold Kosoff
Inventor
1930 – 1995
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Who was Harold Kosoff?
Harold Kosoff was an inventor. He is credited with inventing the free piston engine and the battery-powered baby swing. U.S. Pat. No. 4,448,410 Exclusive rights for the battery-powered baby swing were sold to Graco. In addition, Kosoff invented a home air cleaner and chainless bicycle using an arc and pulley system.
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"Harold Kosoff." Biographies.net. STANDS4 LLC, 2025. Web. 16 Feb. 2025. <https://www.biographies.net/people/en/harold_kosoff>.
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