GB229531A
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Improvements in plows
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GB193022A
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Improvements in connection with motor tractors, ploughs, road graders, and other implements
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DE415727C
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plow
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GB193011A
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Improvements in plows
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DE414992C
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Lifting device for plows u. like
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US1391544A
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Tillage implement
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US1359663A
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Quick-detachable plowshare
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US1428951A
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Hand lever
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US1394663A
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Automatic gear-throw-out mechanism for grain-drills or the like
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US1328618A
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Machine for spreading fertilizer
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US1396130A
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Grinding-machine
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US1399072A
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Tractor connection for agricultural implements
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AU990619B
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Improvements in tractor connection for agricultural implements
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GB145811A
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Tractor connection for agricultural implements
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US1271292A
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Lister-cultivator.
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US1269166A
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Wheeled plow.
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US1300824A
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Wheeled plow.
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US1354470A
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Mechanical movement
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US1302016A
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Caster-wheel lock for agricultural implements.
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US1396183A
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Internal-combustion engine
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