4. E - Fixed Constructions
  5. 21
  6. B

Robert L. Williamson

E - Fixed Constructions – 21 – B

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Country: United States Of America

Earth boring bit with composite anti-galling bearing surface

E - Fixed Constructions – 21 – B
Patent

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Earth boring bit with gridded ferrous bearing surface

E - Fixed Constructions – 21 – B
Patent

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Hardback bushing having a thin wall powder metal component

E - Fixed Constructions – 21 – B
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Nuclear reactor containment vessel

B - Operations – Transporting – 65 – D
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Profile ID: LFCA-PAI-P-142633

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