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Variable displacement motor control system
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Patent number 11,889,790
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Issue date Feb 6, 2024
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Dougherty Forestry Manufacturing, Ltd. Co.
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Patrick Devon Dougherty
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Mulcher tooth
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Patent number 11,130,138
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Issue date Sep 28, 2021
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Dougherty Forestry Manufacturing, Ltd. Co.
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Patrick Dougherty
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Mulcher with improved cutting drum
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Patent number 10,882,051
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Issue date Jan 5, 2021
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Dougherty Forestry Manufacturing, Ltd. Co.
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Patrick Dougherty
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Advanced mulcher tooth assembly
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Patent number D884036
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Issue date May 12, 2020
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Dougherty Forestry Manufacturing, Ltd. Co.
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Patrick Dougherty
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D15 - Machines not elsewhere specified