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Automatic Plow-Foot.
Patent for an improved plow foot that allows for the easy installation or removal of the plow foot, secured connection of the plow foot, and improved regulation of the angle of the plow foot.
Date:
July 29, 1913
Creator:
Dugger, Thomas M.
System:
The Portal to Texas History
Windmill Attachment
Patent for a windmill attachment that allows the windmill to be operated either by wind or hand power without needing to disconnect the sucker rod from the windmill.
Date:
March 4, 1913
Creator:
Kay, Henry P.
System:
The Portal to Texas History