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6 Matching Results
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Improvement in Chairs.
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.
System:
The Portal to Texas History
Improvement in Wagon-Brakes.
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
System:
The Portal to Texas History
Improvement in Washing-Machines.
Patent for a new improvement to washing machines.
Date:
July 21, 1874
Creator:
Mitchell, Daniel Chasteen
System:
The Portal to Texas History
Improvement in Medical Compounds.
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
System:
The Portal to Texas History
Improvement in Chairs.
Patent for improvement in chairs consisting of self-adjusting chair-backs.
Date:
November 5, 1872
Creator:
Haupt, William W.
System:
The Portal to Texas History
Improvement In Horse-Power Mill.
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.
System:
The Portal to Texas History