From Pins to Paper Clips - The Evolution of Useful Things: How Everyday Artifacts-From Forks and Pins to Paper Clips and Zippers-Came to be as They are - Henry Petroski
DREL on Twitter: ""Johan Vaaler, a Norwegian inventor, invented the paperclip in 1899. He received a patent for his design from Germany as Norway had no patent laws at that time. Vaaler was
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inventions | DAILY DOSE OF ART
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Paper Clip Patent 1 Photograph by Andrew Fare
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Patent of the Day: Paper Clip | Suiter Swantz IP
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7 Patent for an endless filament paper clip, issued to Charles T. Link... | Download Scientific Diagram
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8 Patent for a large paperclip made of spring wire, issued to Linda and... | Download Scientific Diagram
Who Invented the Paperclip? - WorldAtlas
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