UNT Libraries Government Documents Department - 5 Matching Results

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Sheet-Placing Machine.

Description: Patent for improvements in sheet-placing machines for pushing and pulling devices to their correct orientation of oil tanks (lines 10-13) roof construction without the possibility of injury to mechanics.
Date: March 13, 1923
Creator: Brock, Verita Belle

Brick-Kiln.

Description: Patent for an improvement for continuous and semi-continuous kilns, to decrease resulting moisture "without materially lessening their fuel economy" (page 1, lines 50-51), including illustrations.
Date: July 13, 1915
Creator: Montrief, James V.

Seed Planter.

Description: Patent for a new and improved seed planter. This design "relates to machines for dropping or planting cotton, corn, or other seed, and has for its object to provide a device embodying simplicity, convenience, cheapness, and efficiency. To this end it consists in certain improvements in construction and operation of the same" (lines 12-18).
Date: March 13, 1883
Creator: Lowder, John Ellis

Sash Fastener.

Description: Patent for a new and improved sash-fastener. This design consists "[t]he combination, [of] an angle-bracket having an opening produced in its horizontal member wider at its top than at its bottom, and an essentially yoke-shaped bar passed through the said opening, [and] a thumb-lever hinged in the vertical member of the bracket, extending over and parallel with the horizontal member of said bracket, and a lip integral with the under edge of the lever, concavo-convex in cross-section, and capabl… more
Date: August 13, 1889
Creator: Miller, Charles H. & McDonald, Samuel A.

Calculator.

Description: Patent for a calculator "in which a bar having a series of numbers thereon slides in a frame or base also provided with a series of numbers" (lines 10-12). It is meant for quickly adding numbers.
Date: October 13, 1896
Creator: Copeland, Wesley Albert & Roberts, Cyrus
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