Patent for the improvement of shovel plows "to so construct and arrange the several parts of the device that they may be easily and quickly adjusted to adapt the implement to different kinds of work," (lines 17-20) including instructions and illustrations
Patent for a plow-point that can be used on a shovel or spade plow. "it consists of an attachment wh...
Patent for an improvement on the plow stock that allows the user to use different plow blades and st...
Patent for an attachment for plows, which "may be utilized as a cutter or the plow converted into a ...
Patent for "an improved plow, which shall be so constructed that it may be readily adjusted for use ...
Patent for a new and improved shovel plow. This design "provide[s] a shovel . . . having extensible ...
Patent for a new and improved turn-plow which "consists in several features of improvement, by which...
Patent for a new and improved plow-stock. This design "has for its object to provide an implement of...
Patent for "an improved gang-plow, which shall be so constructed that it may be readily adjusted to ...
Patent for a "new and useful plow"(line 5). The plow is of "durable construction and adapt the same ...
Patent for a plow-point that can be used on a shovel or spade plow. "it consists of an attachment wh...
Patent for an improvement on the plow stock that allows the user to use different plow blades and st...
Patent for an attachment for plows, which "may be utilized as a cutter or the plow converted into a ...
Patent for "an improved plow, which shall be so constructed that it may be readily adjusted for use ...
Patent for a new and improved shovel plow. This design "provide[s] a shovel . . . having extensible ...
Patent for a new and improved turn-plow which "consists in several features of improvement, by which...
Patent for a new and improved plow-stock. This design "has for its object to provide an implement of...
Patent for "an improved gang-plow, which shall be so constructed that it may be readily adjusted to ...
Patent for a "new and useful plow"(line 5). The plow is of "durable construction and adapt the same ...
Patent for a plow-point that can be used on a shovel or spade plow. "it consists of an attachment wh...
Patent for an improvement on the plow stock that allows the user to use different plow blades and st...
Patent for an attachment for plows, which "may be utilized as a cutter or the plow converted into a ...