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Douglas Roberts

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Container

B - Operations – Transporting – 65 – D
Patent

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Discrete passage diffuser

F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent

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Foam materials and their manufacture

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Patent

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High temperature heat tolerant hockey stick

A - Human Necessities – 63 – B
Patent

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Method and apparatus for supporting power tongs

E - Fixed Constructions – 21 – B
Patent

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Method and apparatus for supporting power tongs

E - Fixed Constructions – 21 – B
Patent

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Profile ID: LFCA-PAI-P-506973

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