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Convertible vehicle step
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Patent number 5,538,269
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Issue date Jul 23, 1996
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McDaniel Manufacturing, Inc.
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Patrick K. McDaniel
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B60 - VEHICLES IN GENERAL
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Convertible vehicle step
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Patent number 5,498,012
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Issue date Mar 12, 1996
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McDaniel Manufacturing, Inc.
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Patrick K. McDaniel
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B60 - VEHICLES IN GENERAL
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Empty container leak testing
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Patent number 5,205,157
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Issue date Apr 27, 1993
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Seal Integrity Systems, Inc.
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Patrick K. McDaniel
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G01 - MEASURING TESTING
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Container leak detector
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Patent number 4,747,298
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Issue date May 31, 1988
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Patrick K. McDaniel
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G01 - MEASURING TESTING