6 Matching Results

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Improvement in Wagon-Brakes.

Description: Patent for "wagons which have brakes applied to them, so constructed that in descending a grade the brakes will be automatically applied, and, in moving on a level or ascending a hill, the brakes will be relieved from the wheels." (Lines 6-11) Includes instructions and illustrations.
Date: December 4, 1877
Creator: Hart, Alfred
Partner: UNT Libraries Government Documents Department

Improvement in Chairs.

Description: Patent for improvements in chairs: "the back, seat, foot rest, and head rest are all self adjusting, and operated by the natural movements of the occupant" (lines 11-13).
Date: April 16, 1872
Creator: Haupt, William W.
Partner: UNT Libraries Government Documents Department

Improvement in Medical Compounds.

Description: Patent for a medical compound of alcohol (or "good brandy"), asafetida, camphor, laudanum, yellow jessamine, sassafras, and water.
Date: July 14, 1874
Creator: Dixon, Shadrach
Partner: UNT Libraries Government Documents Department

Improvement in Washing-Machines.

Description: Patent for a new improvement to washing machines.
Date: July 21, 1874
Creator: Mitchell, Daniel Chasteen
Partner: UNT Libraries Government Documents Department

Improvement in Chairs.

Description: Patent for improvement in chairs consisting of self-adjusting chair-backs.
Date: November 5, 1872
Creator: Haupt, William W.
Partner: UNT Libraries Government Documents Department

Improvement In Horse-Power Mill.

Description: This patent is for a new improvement with how a horse can be attached to a horse-power-mill to do the necessary work needed on a farm. As the horse moves around the machine moves with it.
Date: May 7, 1878
Creator: Pitts, William C.
Partner: UNT Libraries Government Documents Department