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4 Matching Results
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Air-Brake Apparatus.
Patent for an improvement to the air brake which includes new types of valves.
Date:
April 14, 1914
Creator:
Parker, William E.
System:
The Portal to Texas History
Car-Replacer
Patent for a railway car replacer, which is used to derail vehicles as well as for, "restoring derailed railway vehicles to the track."
Date:
April 6, 1915
Creator:
Martin, Daniel W.
System:
The Portal to Texas History
Folding Coach-Step.
Patent for foldable steps for train cars, in particular passenger cars.
Date:
April 16, 1917
Creator:
Berry, John F.
System:
The Portal to Texas History
Vehicle
Patent for a vehicle used as a truck or bolster. Illustrations included.
Date:
April 5, 1910
Creator:
Martin, W. Daniel
System:
The Portal to Texas History