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Donald E. Lewis Jr.
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Owasso, OK, US
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last 30 patents
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Patent Grant
Gauge for pipe bending machine
Patent number
7,302,823
Issue date
Dec 4, 2007
CRC-Evans Pipeline International, Inc.
Jimmie D. Jackson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Automated pipe bending machine
Patent number
6,253,595
Issue date
Jul 3, 2001
CRC-Evans Pipeline International, Inc.
Donald E. Lewis
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...