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Rail Plate And Fastener
Patent for rail plate fastener. This invention is designed to secure rails to ties without the use of spikes. Illustration included.
Date:
June 21, 1904
Creator:
Butterfield, Walter V.
System:
The Portal to Texas History
Nut-Lock
Patent for a nut lock. Illustrations included.
Date:
May 21, 1912
Creator:
Lance, Andrew M.
System:
The Portal to Texas History
Rail Joint
Patent for Rail Joint
Date:
November 21, 1916
Creator:
Walker, Asa
System:
The Portal to Texas History
Specification of Letters Patent.
Patent for improvements in the seals for well screens to provide a permanent joint or seal between the screen and the casing with out blocking passage.
Date:
June 21, 1921
Creator:
Thomson, Alexander
System:
The Portal to Texas History