Mondo Knows Facts

The ubiquitous looped paperclip design is known as the Gem pattern

Double loop steel wire clips press paper sheets together without punctures

The classic double-loop paperclip design used worldwide was never patented by its original inventor, but was manufactured by Britain's Gem Manufacturing Company in the 1890s. Its clever nested wire loops press sheets together without puncturing or tearing paper fibres, remaining an iconic office staple.

Where this comes from

Library of Congress

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Tags: paperclip, office, design

The ubiquitous looped paperclip design is known as the Gem pattern: the short answers

Where does this come from, and can I check it?
Double loop steel wire clips press paper sheets together without punctures. The figure is taken from Library of Congress, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
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