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Bascule-Bridge
Patent for improvements in draw bridges, such as a shiftable weight and supporting guide, particularly for bridges of the rocking bascule type, with illustrations.
Date:
February 15, 1915
Creator:
McKibben, Columbus
System:
The Portal to Texas History
Grub-Plow.
Patent for a grub plow with a better cutter, which can be adjusted to different depths of soil.
Date:
August 15, 1911
Creator:
Gardner, Eli J. & Odem, David
System:
The Portal to Texas History