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E. Hartzler Melvin

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Airplane hangar door

E - Fixed Constructions – 06 – B
Patent

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Airplane hangar doors

E - Fixed Constructions – 06 – B
Patent

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Anchoring device

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

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Overhead door

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Patent

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Upright highway marker

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Patent

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Profile ID: LFCA-PAI-P-777853

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