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Irrigating System.
Patent for an irrigation system that has lockable valves and will not freeze in the winter.
Date:
July 18, 1911
Creator:
McCrimmon, John D.
System:
The Portal to Texas History
Sanitary Udder-Protector.
Patent for udder protectors for milch (dairy) cows. To keep foreign matters from contact and to keep the udders warm for the animals' comfort, including illustrations.
Date:
July 29, 1919
Creator:
Thornton, Florence A.
System:
The Portal to Texas History