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Derwin A. Nelson
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Hickory, NC, US
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last 30 patents
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Patent Grant
Stranding machine for use in the manufacture of fiber optic cables
Patent number
5,983,617
Issue date
Nov 16, 1999
Siecor Corporation
Derwin A. Nelson
G02 - OPTICS
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Patent Grant
Optical cable containing parallel flexible strength members and method
Patent number
5,822,485
Issue date
Oct 13, 1998
Siecor Corporation
Derwin A. Nelson
G02 - OPTICS