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Churn
Patent for a churn. Illustrations included.
Date:
March 11, 1913
Creator:
Brown, Herbert E.
System:
The Portal to Texas History
Method of Operation for the Separation of Liquids.
Patent for method to separate liquid through a separation device connected with an electric circuit.
Date:
March 11, 1919
Creator:
McKibben, Charles W.
System:
The Portal to Texas History
Oil Well Torpedo.
Patent for "detonating explosives in oil wells" (nitroglycerin) (lines 10 - 13).
Date:
March 11, 1919
Creator:
Mosher, Lewis A.
System:
The Portal to Texas History
Resilient Wheel
Patent for a new and improved resilient wheels designed with a very simple, durable, and efficient construction to eliminate cushion or pneumatic tires to obtain desired resiliency and are intended to be used on trucks or other heavy vehicles.
Date:
March 11, 1913
Creator:
Hughes, Robert J.
System:
The Portal to Texas History
Submarine Channel Protection.
Patent for new and improved submarine channel protection. This design "consist[s] of two walls approximately parallel with each other extending across the sand-bar, and a barrier consisting of inclined wings extending from the side walls to the center of the channel, and a filling in rear of the wings" (lines 46-51).
Date:
March 11, 1890
Creator:
Mauermann, Albert J.
System:
The Portal to Texas History