Dennis L. Mangrum

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Aircraft visual collision and avoidance device

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent

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Aircraft visual collision and avoidance device

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent

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Backup warning device

Communications: electrical – Selective – Having indication or alarm
Patent

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Bottomless microwave baking utensil

Electric heating – Metal heating – Of cylinders
Patent

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Butterfly puzzle

Material or article handling equipment – Hand cart or frame therefor – Golf cart
Patent

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Profile ID: LFUS-PAI-P-217460

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