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Rail-Bond. (open access)

Rail-Bond.

Patent for a rail bond that allows an electric current to travel through the rails.
Date: March 14, 1911
Creator: Humason, Granville A. & Odell, Edward F.
System: The Portal to Texas History
Process of Making Artificial Fuel (open access)

Process of Making Artificial Fuel

Patent for process of creating artificial fuel and the resulting product.
Date: March 11, 1902
Creator: Steiner, Robert
System: The Portal to Texas History