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Oil Press Mat.

Description: Patent for a new and improved oil press mat. This design "is to flexibly connect the metal plates or leaves of a three-leaved oil-press mat in such manner that when the mat with the bags of meal interposed between its leaves is subjected to pressure for the purpose of expressing the oil the parallelism of the leaves will be maintained and endwise shifting of the same prevented. A further object is to provide a fastening . . . which shall be stronger, more durable, and more positive in its funct… more
Date: June 7, 1881
Creator: Ahrenbeck, William
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Partner: UNT Libraries Government Documents Department

Motor.

Description: Patent for a new and improved motor. This design "has for its object to provide a motor of the class . . . that shall possess superior advantages in point of simplicity, cheapness, durability, and general efficiency; and to these ends [the] invention consists in the construction and novel arrangement of parts" (lines 17-23).
Date: September 30, 1884
Creator: Chilton, William
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Partner: UNT Libraries Government Documents Department

Means for Automatically Inflating Pneumatic Tires.

Description: Patent for an automatically inflating tire which allows the tires to be inflated evenly at all times. "Should the air escape from the tire due to a puncture or leak the rim will be prevented from injuring the tire casing, as said casing will be prevented from becoming deflated" (lines 17-21). Motorists will no longer need to drive on flat tires waiting for repairs.
Date: November 9, 1920
Creator: Cooper, Jowel Cecil
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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