Niels Christensen
(1865-1952)
Danish inventor
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Niels Anton Christensen (16 August 1865 – 5 October 1952) was a Danish-American inventor whose principal invention was the O-ring, the ubiquitous hydraulic seal.
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| Born |
16 August 1865 Tørring-Uldum Municipality, Denmark
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| Died |
5 October 1952 (aged 87)
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| Zodiac | Leo |
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