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US1918881A
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Frame construction for road machines
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US1906079A
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Blade adjusting mechanism for road machines
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US1981821A
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Dual drive road machine
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US1793668A
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Road machine
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US1926667A
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Worm drive road roller
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US1829622A
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Four wheel drive road machine
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US1924703A
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Power take-off mechanism
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US1843009A
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Cleaning mechanism for material elevators
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US1710329A
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Supplemental road grader
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US1803099A
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Rigid-frame double-cranking motor grader
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US1825434A
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Bank sloper
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US1739127A
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Dual-tire wheel
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US1829728A
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Road scarifier and scraper
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US1776409A
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Self-propelled motor grader with leaning front wheels
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US1750829A
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Gutter-broom street sweeper
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US1637208A
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Road-surface resmoother
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US1811661A
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Leaning wheel road scraper
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US1578384A
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Road-roller maintainer with reversible blade
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US1502086A
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Double control for road-roller scraper attachments
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US1502081A
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Highway-maintenance machine
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