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Deck platform extension for boats

Ships – Building – Canal and ferry boats
Patent

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Deck section loading

Ships – Building – Canal and ferry boats
Patent

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Design and construction of hulls

Ships – Building – Canal and ferry boats
Patent

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Device for attaching propulsion units to a tabular iceberg

Ships – Building – Canal and ferry boats
Patent

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Device for severing underwater cables

Ships – Building – Canal and ferry boats
Patent

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Dinghy with mast well

Ships – Building – Canal and ferry boats
Patent

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Directional control mechanism for a trolling motor

Ships – Building – Canal and ferry boats
Patent

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Diver flotation apparatus

Ships – Building – Canal and ferry boats
Patent

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Diver's buoyant caddy

Ships – Building – Canal and ferry boats
Patent

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Dory

Ships – Building – Canal and ferry boats
Patent

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Drive installation in boats

Ships – Building – Canal and ferry boats
Patent

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Drive position signalling apparatus

Ships – Building – Canal and ferry boats
Patent

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Dual hull water bicycle

Ships – Building – Canal and ferry boats
Patent

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Dynamic ballast and stabilization system

Ships – Building – Canal and ferry boats
Patent

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