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54 Matching Results
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54
Hydraulic Swivel
Patent for a hydraulic swivel made to control back pressure and designed to be resistant to wear. Illustrations included.
Date:
December 10, 1907
Creator:
Johnston, Horace G. & Norris, Joseph B.
Object Type:
Patent
System:
The Portal to Texas History
Supporting Device for Umbrellas.
Patent for a wearable umbrella holder, which holds the umbrella on the back and over the person's head to allow their hands to be free.
Date:
November 10, 1908
Creator:
Cumpston, Frederick B.
Object Type:
Patent
System:
The Portal to Texas History
Ship-Protector.
Patent for an improved protection device which may be attached to the bow of a ship.
Date:
February 10, 1914
Creator:
Wood, Shirley Hay
Object Type:
Patent
System:
The Portal to Texas History
Washing Machine
Patent for an improved washing machine consisting of a wash-boiler into which one or more streams of hot water may be thrown.
Date:
May 10, 1883
Creator:
Caldwell, James S.
Object Type:
Patent
System:
The Portal to Texas History
Reversible Automobile-Lamp
Patent for a reversible automobile taillight that can be changed to four different colors to indicate different things.
Date:
September 10, 1912
Creator:
Minhinnett, George F.
Object Type:
Patent
System:
The Portal to Texas History
Cotton-Chopper
Patent for an improved type of cotton chopper that thins rows of plants on both flat and rough terrain. Includes illustrations and instructions.
Date:
June 10, 1913
Creator:
Hellums, Oscar S.
Object Type:
Patent
System:
The Portal to Texas History