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Outrigger plank splice support
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Patent number 9,663,146
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Issue date May 30, 2017
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Dakota Manufacturing Company, Inc.
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Dale J. Dierks
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Hydraulic tail trailer
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Patent number 9,315,138
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Issue date Apr 19, 2016
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Dakota Manufacturing Company, Inc.
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Dale J. Dierks
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B60 - VEHICLES IN GENERAL
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Hydraulic tail trailer
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Patent number 7,658,587
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Issue date Feb 9, 2010
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Dakota Manufacturing Co., Inc.
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Dale Dierks
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B60 - VEHICLES IN GENERAL
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