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Stairway wheelchair lift
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Patent number 5,052,521
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Issue date Oct 1, 1991
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The Cheney Company
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David W. Wendt
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B66 - HOISTING LIFTING HAULING
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Electronic bag toss game
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Patent number 4,923,201
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Issue date May 8, 1990
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Nichol; Thomas W.
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Thomas W. Nichol
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A63 - SPORTS GAMES AMUSEMENTS
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Automatic badge making machine
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Patent number 4,835,843
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Issue date Jun 6, 1989
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Badge-A-Minit, Ltd.
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David W. Wendt
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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