Patent for invention of certain new and useful improvements in plows with accompanying drawings. An improved plow in which revolving mold board is driven without the intervention of a universal joint [5-30
Patent for a new and improved plow. This design consists in "[t]he combination, with the driving-whe... Read more
Patent for a new and improved plow mold board. This design "consists of a circular roll arranged in ... Read more
Patent for the invention of a new and improved type of adjustable plow, including illustrations
Patent for invention new and useful improvement in Plows, relates the shape of the mold-board and th... Read more