Harold Kosoff, Date of Birth, Place of Birth, Date of Death
TweetHarold Kosoff
American inventor
Date of Birth: 05-Nov-1930
Place of Birth: Philadelphia, Pennsylvania, United States
Date of Death: 12-Mar-1995
Profession: inventor
Nationality: United States
Zodiac Sign: Scorpio 
About Harold Kosoff
- Harold Kosoff (November 5, 1930 – March 12, 1995) 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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