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Sinnathamby Thiruvarudchelvan
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St. Augustine, TT
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last 30 patents
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Method and apparatus for forming elongated articles having reduced...
Patent number
4,300,378
Issue date
Nov 17, 1981
Sinnathamby Thiruvarudchelvan
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...