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James L. Plimpton

Patents indexed

1

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1863

mechanicalconsumer_electronics

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1

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1 patents, in 1863

Dot size = forward citations

18631864

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US 37305·1863

How James Plimpton Invented the Modern Roller Skate

A 19th-century invention that introduced pivoting wheels to roller skates, allowing users to steer by leaning their bodies.

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