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Powered landing gear
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Patent number 9,873,410
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Issue date Jan 23, 2018
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Jost International Corp.
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Gregory A. Laarman
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B60 - VEHICLES IN GENERAL
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Carrier assembly for a fifth wheel
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Patent number 6,736,420
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Issue date May 18, 2004
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Jost International Corporation
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Gregory A. Laarman
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Air released fifth wheel assembly
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Patent number 6,520,527
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Issue date Feb 18, 2003
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Jost International Corp.
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Greg Laarman
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Landing gear crank handle
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Patent number 5,904,342
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Issue date May 18, 1999
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Holland Hitch Company
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Gregory A. Laarman
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B60 - VEHICLES IN GENERAL