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Silo

Description: Patent for a silo that is constructed in sections, making transport more efficient.
Date: June 15, 1920
Creator: Comer, John H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ensilage-Packer for Silos.

Description: Patent for a device in "which the center and edges" of a silo "will be packed with equal firmness and solidity" (lines 14-16) of materials, including an illustration and description of the device.
Date: March 23, 1920
Creator: Comer, John H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railroad-Crossing Signal

Description: Patent for signaling devices designed for use along railroads and grade crossings and meant to be automatically operated upon the approach of a train by giving a visible or audible signal at the crossing which will warn travelers of the approach of the train and calcuated to avoid the occurrence of accidents. The signal device includes a track associated train operated circuit closing device for energizing a bell, flashing light, or signal arm or any other equivalence or suitable signal device … more
Date: October 17, 1922
Creator: Hamilton, Morgan Smith & Brady, Charles Pettus
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring Wheel.

Description: Patent for new and useful improvements in spring wheels sufficient to enable it to successfully stand up under the shocks and jars to which such wheels are ordinarily subjected, while at the same time having all the wearing qualities and resiliency of the pneumatic tire.
Date: May 20, 1920
Creator: Atkinson, George C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gearing.

Description: Patent for a speed transmission device that simply and efficiently changes the gears in an automobile especially at fluctuating speeds.
Date: September 13, 1921
Creator: Anderson, Bert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Incubator

Description: Patent for an incubator designed to maintain temperature automatically.
Date: September 27, 1921
Creator: Kovar, Joe
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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