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  Inventor Profiles
  Charlotte Cramer Sachs

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Cramer Sachs notes on frosting taste tests

Chocolate frosting mix box from Joy Products

Corn muffin mix box from Joy Products

Advertisement for dog leashes

Advertisement for dog leashes

Charlotte Cramer Sachs loved animals and invented several pet accessories in the early 1950s, including the “Watch-Dog,” a dog collar with a watch on it, and “Guidog,” an early version of a retractable dog leash, all pictured in this advertisement.

 

Smithsonian