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How was play-doh invented by mistake

          Play-doh company.

          Play-Doh - Who Invented Play-Doh

          U.S. Patent No. 3,167,440 was granted to Noah McVicker and Joseph McVicker for a "plastic modeling composition of a soft, playable working consistency' that eventually became a product known as Play-Doh.

          Is joe mcvicker still alive

        1. Is joe mcvicker still alive
        2. Noah mcvicker biography
        3. Play-doh company
        4. Noah mcvicker net worth
        5. Play-doh history

          6. Noah McVicker and Joseph McVicker founded Rainbow Crafts to start manufacturing their product.

          According Hasbro the current owners of Play-Doh, "In 1956, Play-Doh Brand Modeling Compound, a non-toxic reusable modeling compound developed and introduced by Rainbow Crafts in Cincinnati, was first demonstrated and sold in the toy department of Woodward & Lothrop Department Store in Washington, D.C."

          Play-Doh had been tested/introduced one year earlier (1955) in select schools, kindergartens and nursery schools.

          Hasbro also states that the formula for the original Play-Doh compound still remains a trade secret. Noah McVicker and Joseph McVicker were granted their patent ten years (1965) after Play-Doh was first introduced.

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