Add to ORKGPatent for improvement in cultivators in which the plows can be adjusted by width, height and laterally to regulate the depth and angle of inclination. The plows, which can be operated by a foot device, may be simultaneously thrown from the ground. (Lines 73-76) Illustration is included
Patent for an improvement of gang-plows by arranging the plows in rows on to a fame which can be fas...
Patent for a cultivator or plow standard that improves "the standard which connects the shoe or land...
Patent for the improvement of seed planters using a gage-wheel "to regulate the depth of the furrow ...
Patent for a new and improved cultivator. This design "consists in the means by which the plow or cu...
Patent for an improved cultivator, with adjustable wheel base, plow height and more (pg 1)
Patent for the improvement of cultivators, consisting in the construction and arrangement of of a do...
Patent for "new and useful improvements in Plows and Cultivators" (lines 5-6), with illustrations
Patent for the improvement of wheel-cultivators, combining a plow and cultivator. It includes a desc...
Patent for improvements to a cultivator "which, for convenience of operation, may be attached to the...
Patent for a new and improved rotary cultivator. This design is "to lessen the weight on tongue and ...
Patent for "an improved plow, which shall be so constructed that it may be readily adjusted for use ...
Patent for an improved invention providing a convertible plow and cultivator. Illustrations included
Patent for an improvement of gang-plows by arranging the plows in rows on to a fame which can be fas...
Patent for a cultivator or plow standard that improves "the standard which connects the shoe or land...
Patent for the improvement of seed planters using a gage-wheel "to regulate the depth of the furrow ...
Patent for a new and improved cultivator. This design "consists in the means by which the plow or cu...
Patent for an improved cultivator, with adjustable wheel base, plow height and more (pg 1)
Patent for the improvement of cultivators, consisting in the construction and arrangement of of a do...
Patent for "new and useful improvements in Plows and Cultivators" (lines 5-6), with illustrations
Patent for the improvement of wheel-cultivators, combining a plow and cultivator. It includes a desc...
Patent for improvements to a cultivator "which, for convenience of operation, may be attached to the...
Patent for a new and improved rotary cultivator. This design is "to lessen the weight on tongue and ...
Patent for "an improved plow, which shall be so constructed that it may be readily adjusted for use ...
Patent for an improved invention providing a convertible plow and cultivator. Illustrations included
Patent for an improvement of gang-plows by arranging the plows in rows on to a fame which can be fas...
Patent for a cultivator or plow standard that improves "the standard which connects the shoe or land...
Patent for the improvement of seed planters using a gage-wheel "to regulate the depth of the furrow ...