When Grandpa Was A Boy, Were There Any Dinosaurs?

Striped Stream

1955: Leonard Marraffino of New York State applied to patent a device capable of “dispensing two or more paste-like materials of different character, for example, different color, in the form of a striped stream”. A striping dispenser, he called it. That led, a few years later, to the appearance of striped toothpaste.

Source: www.freepatentsonline.com/
2789731.pdf

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