Add to ORKGPatent for an improvement upon subsoil plows, using a series of spades arranged upon the same pulleyed rotary shaft, combined with furrow-opening plows
Patent for the improvement of the shovel plow. The improvement of the shovel plow allows for the adj...
Patent for improvement in the construction of combined plows, harrows, and cultivators
Patent for invention of certain new and useful improvements in plows with accompanying drawings. An ...
Patent for a rotary gang-plow that has laterally movable castings, stirrups, beams working in the st...
Patent for "an improved plow, which shall be so constructed that it may be readily adjusted for use ...
Patent for a rotary plow. "It pertains to improvements in rotary plows" (p. 4). There is a detailed ...
Patent for a light rotary-disk plow that is as strong as other plows, and has multiple concave plow ...
Patent for an improvement in subsoil plows to pulverize soils, including illustrations
Patent for a new improvement in agricultural plows that will not clog when used with sticky prairie-...
Patent for the improvement of the shovel plow. The improvement of the shovel plow allows for the adj...
Patent for improvement in the construction of combined plows, harrows, and cultivators
Patent for invention of certain new and useful improvements in plows with accompanying drawings. An ...
Patent for a rotary gang-plow that has laterally movable castings, stirrups, beams working in the st...
Patent for "an improved plow, which shall be so constructed that it may be readily adjusted for use ...
Patent for a rotary plow. "It pertains to improvements in rotary plows" (p. 4). There is a detailed ...
Patent for a light rotary-disk plow that is as strong as other plows, and has multiple concave plow ...
Patent for an improvement in subsoil plows to pulverize soils, including illustrations
Patent for a new improvement in agricultural plows that will not clog when used with sticky prairie-...
Patent for the improvement of the shovel plow. The improvement of the shovel plow allows for the adj...
Patent for improvement in the construction of combined plows, harrows, and cultivators
Patent for invention of certain new and useful improvements in plows with accompanying drawings. An ...