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April 20 Patent of the Day

Posted on April 20, 2016 by bwheelock

On April 20, 1837, Erastus B. Bigelow, received Patent No. 169 on a loom, for making carpets.

20a-April

 

 

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About bwheelock

Education J.D., Washington University in St. Louis B.S.E. in Mechanical Engineering, Duke University
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