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7 Matching Results
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Aparejo
Patent for more efficient and durable pack-saddle (aparejo) used by United States Army. Casing involves hollow boot-sticks and rubber-encased steel, with better fitting to prevent fatigue of animal.
Date:
February 11, 1902
Creator:
Keller, John & Titsworth, Richard
System:
The Portal to Texas History
Windmill.
Patent for an improvement to the "construction of windmills and to provide means for varying the stroke of a windmill with the velocity or force of the wind, to increase the length of the stroke as the velocity of the wind increases, and to reduce the length of stroke as the force of the wind abates." (lines 10-16)
Date:
November 18, 1902
Creator:
Tinney, James R.
System:
The Portal to Texas History
Metal-Foil Fabric.
Patent for
Date:
August 5, 1902
Creator:
Parker, Harry L.
System:
The Portal to Texas History
Music-Leaf Turner.
Patent for "...an improvement in music-leaf turners...by which the leaves may be readily turned from side to side as desired..." (lines 9-12) including illustrations.
Date:
March 4, 1902
Creator:
Dascomb, Charles Henry
System:
The Portal to Texas History
Engraving-machine.
Patent for improvements to an engraving machine. Illustrations included.
Date:
July 1, 1902
Creator:
Crane, Walter E.
System:
The Portal to Texas History
Fluid-Operated Signal
Patent for a fluid operated signal with illustrations. The device would allow communication between a train engineer and a caboose conductor through a device that utilizes the fluid-pressure brake system of the freight train.
Date:
September 30, 1902
Creator:
Bell, Chester L.
System:
The Portal to Texas History
Selective Call for Telegraph or Telephone Lines
Patent for a device that allows the user to ring a specific telephone or telegraph line without ringing the bells at other lines.
Date:
September 30, 1902
Creator:
Palmer, William, Jr.
System:
The Portal to Texas History