Resource Type
Counties
3 Matching Results
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Extensible Ladder.
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.
System:
The Portal to Texas History
Insect or Worm Destroyer.
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.
System:
The Portal to Texas History
Packer for Silos.
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
System:
The Portal to Texas History