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Ernest O. Butts

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Composite steel and concrete floor structure

E - Fixed Constructions – 04 – B
Patent

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Double top chord

E - Fixed Constructions – 04 – C
Patent

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Electric fusion welding of thermoplastic

B - Operations – Transporting – 29 – C
Patent

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Electric fusion welding of thermoplastic

B - Operations – Transporting – 29 – C
Patent

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Electric fusion welding of thermoplastic materials

B - Operations – Transporting – 29 – C
Patent

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Electric fusion welding of thermoplastic

B - Operations – Transporting – 29 – C
Patent

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Electric fusion welding of thermoplastic

B - Operations – Transporting – 29 – C
Patent

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Electric fusion welding of thermoplastic materials

B - Operations – Transporting – 29 – C
Patent

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End support shoe for composite joist

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Patent

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Leak detection apparatus

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Profile ID: LFCA-PAI-P-892168

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