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Vermin Exterminator for Poultry.
Patent for a vermin exterminator for poultry that discharges an insecticide onto the chickens as they come in and out of the chicken house.
Date:
March 21, 1911
Creator:
Crawford, William Frank
System:
The Portal to Texas History
Cotton-Treating Machine.
Patent for improved cotton treating machine that separates cotton fibers from seeds. This cotton treater keeps the cotton fibers long when separating the seeds, including illustrations.
Date:
January 21, 1919
Creator:
Cassel, John L.
System:
The Portal to Texas History