Inventions - Section 1 (8)

The first Frisbees were pie tins from the Frisbie Pie Company in Connecticut. In the 1950s, the pie tins were changed to plastic plates. The name then became the Flying Saucer, but later changed to Frisbee.

The scanner reads the bar code label on something at a supermarket, and translates it into a number which the computer reads.

Invented in 1885.

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The new item was first used on Lake Pepin in Minnesota.

William Gray, inventor of the pay telephone, also invented the inflatable chest protector worn by baseball umpires and catchers.

Invented in 1856.

Invented in 1939.