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A paper shredder is a mechanical device used to cut paper into either strips or fine particles. Government organizations, businesses, and private individuals use...

A paper shredder is a mechanical device used to cut paper into either strips or fine particles. Government organizations, businesses, and private individuals use shredders to destroy 21 day shred pdf free, confidential, or otherwise sensitive documents. The first paper shredder is credited to prolific inventor Abbot Augustus Low, whose patent was filed on February 2, 1909. His invention was however never manufactured.


Adolf Ehinger’s paper shredder, based on a hand-crank pasta maker, was manufactured in 1935 in Germany. Supposedly he needed to shred his anti-Nazi propaganda to avoid the inquiries of the authorities.

Ehinger later marketed his shredders to government agencies and financial institutions converting from hand-crank to electric motor. Until the mid-1980s, it was rare for paper shredders to be used by non-government entities. A high-profile example of their use was when the U. Iran used shredders to reduce paper pages to strips before the embassy was taken over in 1979, but some documents were reconstructed from the strips, as detailed below.

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