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Elvin E. Adams
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Carthage, MO, US
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last 30 patents
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Patent Grant
Method and apparatus for forming a row of spring coils from a conti...
Patent number
4,112,726
Issue date
Sep 12, 1978
Leggett & Platt, Incorporated
Elvin E. Adams
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...