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Cotton Chopper

Description: Patent for a cotton chopper. Illustration included.
Date: May 11, 1909
Creator: Dewald, Louis
Partner: UNT Libraries Government Documents Department

Kiln

Description: Patent for improvements to kilns, which include improvements for transferring heat, "burning lime and clay products"(line 11), powdered fuel feeding and preventing unheated air from flowing into the kiln.
Date: May 13, 1919
Creator: Bone, David R.
Partner: UNT Libraries Government Documents Department

Window-Lock

Description: Patent for a window lock. Illustrations included.
Date: May 3, 1910
Creator: Sydow, John F.
Partner: UNT Libraries Government Documents Department

Improvement in Corn and Cotton Planters.

Description: Patent for a new cotton and corn planter, including illustrations.
Date: May 19, 1874
Creator: Griffith, William Harrison
Partner: UNT Libraries Government Documents Department

Folding Car-Step

Description: Patent for "new and useful Improvements in Folding Car-Steps" (lines 5-6) to facilitate easier passenger boarding of rail cars, including instructions and illustrations.
Date: May 20, 1913
Creator: Mayhew, Edwin B.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for improvement in plows by using a “combination of mold-board, land-bar, and share, which will effectually shed the land and prevent the latter from adhere to it.” (Lines 15-18) Illustration is included.
Date: May 26, 1891
Creator: Brown, William Franklin
Partner: UNT Libraries Government Documents Department
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