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Daniel W. Roper

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Fluid coupling device

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Patent

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Fluid coupling device

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Patent

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Infinitely variable planetary transmission

F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent

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Infinitely variable seat recliner mechanism

A - Human Necessities – 47 – C
Patent

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Infinitely variable seat recliner mechanism

A - Human Necessities – 47 – C
Patent

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Profile ID: LFCA-PAI-P-79864

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