Texas Patents - 3 Matching Results

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Book-Support.

Description: Patent for improvements in book support: "book are held in an upright position on the shelves" (lines 9-10).
Date: August 23, 1892
Creator: Muir, James Alfred
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Penholder.

Description: Patent for a new and improved pen holder. This design "relates to improvements in penholders whereby the pen may be automatically discharged or ejected from the holder" (lines 8-11). It consists "of a staff with tenoned end, a portion of which is cut out of its upper surface with a downward bevel to its lower end, a beveled slide adapted to fit and slide upon the beveled cut in the staff, said slide being provided with a slight shoulder upon its upper side and a hole through the same for a scre… more
Date: August 23, 1892
Creator: Blalock, William Benjamin & Muir, James Alfred
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vertical Steam-Pump.

Description: Patent for improvements in steam-pumps, of which “are adapted to compress a liquefiable gas—such as that of ammonia—to a state of partial liquefaction, the pressure being subsequently removed and the liquefied refrigerating agent expanding through tubes and chambers, and the cooling effect produced by the volatile liquid again assuming its gaseous state is utilized for the absorption of heat.” (Lines 10-17) Illustration is included.
Date: June 23, 1891
Creator: Robinson, Charles H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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