3 Matching Results

Search Results

Patent for an adjustable heel sweep for farm equipment, which can cut both wide and narrow angles.

Date: November 2, 1909

Creator: Brockman, John H.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for seed selecting mechanisms that plants or drops two seeds at the same time and can be attached to the hopper of a planter.

Date: June 15, 1920

Creator: Vest, Robert A.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for machine to exterminate boll weevils, including illustrations. This device administers insecticide and captures damaged plants and insects.

Date: July 31, 1917

Creator: Henry, William L. & Calloway, Irven E.

Item Type: Patent

Partner: UNT Libraries Government Documents Department