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in creator/contributor: "Wilhelm, Albert"  
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Plow.

Description: Patent for a new and improved plow. This design consists "[i]n a plow, the combination, with the beam, mold-board, point, and landside-plate, of a standard consisting of a longitudinal bar, to which the beam is attached, and provided with a transverse elongated slot, two downwardly-extending arms connected together by a cross-brace and having serrations and elongated slots on their extremities, and bolts, nuts, and serrated washers for adjustably connecting the landside-plate thereto, the forwa… more
Date: March 23, 1886
Creator: Wilhelm, Albert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for "an improved device of this character, which may be readily converted from a turning-plow to a shovelplow, or from a shovel-plow to a turning-plow, by resetting the bar, mold-board, and share, and which may be used either with a steel or wood beam, as desired" (lines 14-20).
Date: June 10, 1890
Creator: Wilhelm, Albert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cultivator.

Description: Patent for a new and improved cultivator. This design "consists of a double plow-stock strapped to the beam, having a diamond-shaped point bolted thereto at the lower end, an inclined brace bolted to the beam and stock, and a sweep-stock attached by straps to the beam and brace" (lines 7-15).
Date: June 23, 1885
Creator: Wilhelm, Albert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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