Texas Patents - 11 Matching Results

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Improvement in Metallic Window-Blinds.

Description: Patent for "a blind which acts both as a barrier to the progress of flames attacking windows and as a convenient shutter for the common purposes, and is adapted to be adjusted and securely locked in an open or closed position." (Lines 21-26) Includes instructions and illustrations.
Date: August 10, 1875
Creator: Mackrell, William S.
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Partner: UNT Libraries Government Documents Department

Improvement in Machines for Washing Photographs

Description: Patent for "a new and improved apparatus for washing photographic prints after fixing, for the purpose of removing the double hyposulphite of soda and silver formed in the body of the paper during the process of fixing" (lines 6-11).
Date: August 17, 1875
Creator: Caylor, J. L.
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Partner: UNT Libraries Government Documents Department

Improvement in Beer-Refrigerators.

Description: Patent for "an improved refrigerator for cooling lager-beer in the keg, and keep it cool for a long time with a small quantity of ice" (lines 15-18) including illustrations.
Date: August 17, 1875
Creator: Bohart, John N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Car-couplings

Description: Patent for "an automatic car-coupling, that may also be readily coupled with the common pin-and-link and other couplings, and be adjusted without going between the cars, so as to avoid all danger" (lines 14-18).
Date: August 24, 1875
Creator: Harper, Peter
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Partner: UNT Libraries Government Documents Department
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