UNT Libraries Government Documents Department - 3 Matching Results

Search Results

Results: 1 - 3

Extensible Ladder.

Description: Patent for a new and useful Extensible Ladder. The improved Extensible Ladder is comprised of a ladder on each side of the structure, extendable platform, and guard rails.
Date: July 9, 1912
Creator: Putman, Lewis S.

Insect or Worm Destroyer.

Description: Patent for an insect and worm destroyer that is secured to the frame of a gang or cultivator and both cultivates and exterminates insects, worms, and the like as it moves down each row of plants.
Date: July 29, 1913
Creator: Martin, Samuel H.

Packer for Silos.

Description: Patent for a new packer for silos, "...which may be assembled with any silo of standard construction, to carry out the packing operation" (lines 13-15) including illustrations.
Date: July 21, 1914
Creator: Westbrook, John Albert
Back to Top of Screen