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Windmill.
Patent for windmills by making them self-regulating and "it consists in the construction and arrangement of devices whereby the force of the wind is made to move the wind-wheel and crank-shift backward and turn the vane, and also in the devices for turning the vane at will" (lines 14-18).
Date:
February 3, 1880
Creator:
Tevis, James H.
System:
The Portal to Texas History
Tobacco-Pipe.
Patent for a new tobacco pipe capable of trapping nicotine in a removable bowl to facilitate the cleaning process. The pipe also includes a trap for saliva that prevents any saliva from returning to the smoker's mouth regardless of pipe angle. The pipe is manufactured with minimal parts reducing need for repair.
Date:
February 3, 1920
Creator:
Gerhard, William Henry.
System:
The Portal to Texas History