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Damping convoluted air spring
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Patent number 10,449,819
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Issue date Oct 22, 2019
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Watson & Chalin Manufacturing, Inc.
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Damon Delorenzis
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B60 - VEHICLES IN GENERAL
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Spring beam suspension system
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Patent number 7,841,607
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Issue date Nov 30, 2010
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Watson & Chalin Manufacturing, Inc.
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Cully B. Dodd
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B60 - VEHICLES IN GENERAL
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Tag axle suspension system
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Patent number 6,948,726
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Issue date Sep 27, 2005
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Watson & Chalin Manufacturing, Inc.
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Cully B. Dodd
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B60 - VEHICLES IN GENERAL
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Tag axle suspension system
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Patent number 6,899,348
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Issue date May 31, 2005
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Watson & Chalin Manufacturing, Inc.
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Cully B. Dodd
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B60 - VEHICLES IN GENERAL
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Lift axle suspension system
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Patent number 6,871,862
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Issue date Mar 29, 2005
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Watson & Chalin Manufacturing, Inc.
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Thomas N. Chalin
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B60 - VEHICLES IN GENERAL
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Steerable suspension system
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Patent number 6,398,239
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Issue date Jun 4, 2002
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Watson & Chalin Manufacturing, Inc.
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Thomas N. Chalin
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B60 - VEHICLES IN GENERAL
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Axle alignment system
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Patent number 6,131,930
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Issue date Oct 17, 2000
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Watson & Chalin Manufacturing, Inc.
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Thomas N. Chalin
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B60 - VEHICLES IN GENERAL