UNT Libraries Government Documents Department - 5 Matching Results

Search Results

Results: 1 - 5

Boll-Weevil Exterminator

Description: Patent for an air suctioning instrument that exterminates boll-weevil and other insects that infest cotton crops. Illustrations included.
Date: May 29, 1917
Creator: Goar, Robert Keith

Traction Gang Plow

Description: Patent for a traction gang plow. This invention uses multiple disks for furrowing. Illustration included.
Date: May 21, 1907
Creator: Johnson, Charles J. & Lumpkin, James J.

Car Coupling.

Description: Patent for a new and improved coupling for railroad-cars. This design consists in "[t]he combination of the draw-head, the trip-block pivoted on the upper side of the same, the trigger secured to the upper side of the draw-head, and the spring bearing on the trip-block" (lines 82-86).
Date: May 21, 1889
Creator: Woolsey, Charles Alexander & Woolsey, William Wesley

Washing Machine.

Description: Patent for a new and improved washing machine. This design consists in "[t]he combination, with the boiler having the transverse rollers, of the [other] roller having peripheral corrugations and the intermediate slots, the bail, and the counterweight whereby the roller may be balanced on the end wall of the boiler" (lines 85-90).
Date: May 18, 1886
Creator: Pinkerton, John Franklin
Back to Top of Screen