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Level step stair walkway
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Patent number 4,168,764
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Issue date Sep 25, 1979
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Tom Walters
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Container tapping devices
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Patent number 3,990,608
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Issue date Nov 9, 1976
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Tom Walters
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Containers
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Patent number 3,972,450
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Issue date Aug 3, 1976
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Tom Walters
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...