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Track Appliance for Automatic Stops
Patent for a new and improved track appliance for automatic stops in relation to railway trains.
Date:
November 6, 1917
Creator:
Bulla, Melbern B.
System:
The Portal to Texas History
Packing-Gasket
Patent for a packing gasket comprising a soft metal sleeve formed to a non-leaking joint between connected pipes.
Date:
November 6, 1920
Creator:
Allison, Jesse H.
System:
The Portal to Texas History