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Advertising Device.

Description: Patent for an advertising machine that is motor-operated and will display a succession of slides that can be shown during the day or at night. It includes a light to help show slides to the public, a shutter that automatically and intermittently displays slides, a lens for projecting slides on a distant screen, and a master slide to be shown with each slide. The patent includes illustrations.
Date: August 5, 1913
Creator: Bernard, Oscar C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Letter from T. N. Carswell to Mrs. Pittman, El Paso County Local Board No. 3 - June 5, 1944]

Description: A letter written to Mrs. Pittman, Clerk, El Paso County Local Board No. 3, El Paso, Texas from T. N. Carswell, CAS dated June 5, 1944. Carswell advises Mrs. Pittman, as per his promise, that he talked with Judge Bennis in reference to securing help for Lt. Fuller.
Date: June 5, 1944
Creator: Carswell, T. N. (Thomas Norwood)
Item Type: Refine your search to only Letter
Partner: Hardin-Simmons University Library

Cigarette Package.

Description: Patent for "new and useful Improvements in Cigarette Packages" (lines 5-6) including "the method of dispensing or extracting cigarettes from the package and as well to the method of making a cigarette package" (lines 9-12), including one illustration.
Date: September 5, 1922
Creator: Sohn, Elmer L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pumping-Engine.

Description: Patent for a pumping engine that pumps air, water, oil, or other agents. It was designed to be used for air pumps on locomotives, inflating tires on automobiles, pumping water in steam operated machines, and other uses.
Date: June 5, 1917
Creator: Allison, Jesse H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Split Pulley.

Description: Patent for split pulleys with interlocking parts that can be attached together without pulling the parts longitudinally.
Date: February 5, 1907
Creator: Frank, Henry M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Thickener and Means for Removing Settled Solids Therefrom.

Description: Patent for a machine which can automatically and continuously remove thickened material, which is a byproduct of wet milling ores. "The present device has been particularly designed to permit feed and discharge to be on the same level or for that matter the constant density discharge may be above or below the level of the feed stream, as may best fit the conditions of the particular installation" (lines 39-45).
Date: October 5, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Form For Concrete Vessels

Description: Patent for large, concrete vessels, meant as a mold to "be used again and again in building different vessels" (lines 17-18).
Date: November 5, 1918
Creator: Kroeger, Otto P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Film for Cameras.

Description: Patent for photographic film that contains alternating sensitized and non-sensitized sections for the purpose of creating an initial exposure view as a guide to use when taking a subsequent actual photograph.
Date: August 5, 1919
Creator: Sartorius, Oton; Gándara, José F. & Colonna, Benito
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shaft Coupling

Description: Patent for a shaft coupling. This invention is designed to connect shafts by interlocking to parts that slide lengthwise thereby clamping them together. Illustration included.
Date: February 5, 1907
Creator: Frank, Henry M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Slime Pulp Thickener.

Description: Patent for a "device for thickening slime or pulp, and particularly pertains to a structure similar to that disclosed in my co-pending application entitled "Slime pulp thickener," serial number 173,785, filed June 9, 1917, and of which the present application is a division" (lines 8-14). Additionally, described as a device that automatically releases thickened pulp when proper density is achieved.
Date: October 5, 1918
Creator: Allen, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Overflow Separating Device.

Description: Patent for an invention that allows for the separation of materials, such as fluid, between two objects, one of higher altitude than the other, with minimal disruption at the surface of the lower object.
Date: October 5, 1920
Creator: Allen, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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