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Marion D. Barker

LM Lockheed Martin: 1 patents #2,805 of 6,507Top 45%
Overall (All Time): #3,631,508 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6137860 Digital radiographic weld inspection system John P. Ellegood, Blaine J. Wiltshire, Lee M. Klynn 2000-10-24