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Rail-Joint
Patent for a rail joint.
Date:
April 21, 1903
Creator:
Hauptmann, Alexis
System:
The Portal to Texas History
Meter.
Patent for a meter measuring the flow of liquid with a dial indicating gallons per hour for use in vehicles with internal combustion engines.
Date:
April 21, 1914
Creator:
Carroll, William G.
System:
The Portal to Texas History