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Linotype and Intertype
Patent for automatic stopping of matrices.
Date:
February 11, 1919
Creator:
Sundstrom, Herman T.
System:
The Portal to Texas History
Pump.
Patent for a new and improved design for pumps as they are used in deep wells. New design meant to prevent sand from entering machine between the working barrel and plunger.
Date:
February 1, 1919
Creator:
Carmichael, Robert E.
System:
The Portal to Texas History
Sample Taking Device
Patent for an oil sample-taking device.
Date:
February 25, 1919
Creator:
Dodds, Redus D.
System:
The Portal to Texas History