Who invented the hole punch?

Answer

The two hole punch was invented by Friedrich Soennecken who was born in Iserlohn-Dröschede, Sauerland Germany in 1848.
Q&A Related to "Who invented the hole punch?"
Friedrich Soennecken.
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Hildaur L. Neilsen holds a patent for an adjustable 3 hole paper puncher, invented
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The standard punched was invented by Herman Hollerith, was first used for vital statistics tabulation.
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Harry Orenstein patented the idea of the "hole cam, a camera that would show poker player's hole cards to TV viewers, in 1997. The hole cam was firtst used by the Travel Channel
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