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Switch Stand and Lock
Patent for an improvement in switch-stand and locks, being that they cannot be picked or tampered with.
Date:
July 21, 1914
Creator:
Maupin, John D.; Allen, Harry E. & Baldwin, Springfield
System:
The Portal to Texas History
Oil-Burner
Patent for an oil burner that attaches to locomotives.
Date:
June 21, 1910
Creator:
Blackmond, William C. & Stoy, Guy Everett
System:
The Portal to Texas History