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Folding Chicken or Poultry Coop. (open access)

Folding Chicken or Poultry Coop.

Patent for a folding chicken coop with improvements due to side and end pieces not needing to be disassembled before folding, including illustrations.
Date: June 10, 1919
Creator: Upton, James
System: The Portal to Texas History
Plow. (open access)

Plow.

Patent for improvements in plows through a, "disk-type," addition to paired longitudinally spaced ground engaging elements, "to throw the earth in opposite directions in order to effectively open a furrow" (lines 11-20). The improvements are simple, convenient, and cost reducing.
Date: June 3, 1919
Creator: Jackson, Charley S.
System: The Portal to Texas History