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Can tab opener
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Patent number 4,607,407
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Issue date Aug 26, 1986
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Josef J. Bergmeister
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Lift-top can opener
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Patent number 4,391,167
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Issue date Jul 5, 1983
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Josef J. Bergmeister
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...