Plow.

Plow.

Date: March 3, 1891
Creator: Hyer, Robert Stewart
Description: Patent for an improvement in plows by “employing a combined brace for the mold-board and a locking device for the share” (lines 46-48), including illustration.
Contributing Partner: UNT Libraries Government Documents Department
Plow.

Plow.

Date: January 26, 1892
Creator: Hyer, Robert Stewart
Description: Patent for a plow. This invention relates to an improvement in plows, and more particularly to the means for securing the share to the plow.
Contributing Partner: UNT Libraries Government Documents Department