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4 Matching Results
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Derailing Block dated October 1, 1918
Patent for new and improved detailing rocks for railroads. What makes this unique is that the clamp can be quickly and effectively clamped to railroad tracks.
Date:
February 19, 1918
Creator:
Samuel Harvey Garrett & Joseph Owen Staude
System:
The Portal to Texas History
Advertising-Machine.
Patent for a machine that displays advertisements in a rotation.
Date:
February 19, 1918
Creator:
Barnett, John B.
System:
The Portal to Texas History
Well Drilling Machine.
Patent for a driving mechanism to reduce the numbers of shafts and other parts needed for well drilling. The invention allows for one main driving shaft to be used as the primary source for well drilling.
Date:
February 5, 1918
Creator:
Herdman, Adam H.
System:
The Portal to Texas History
Motor Limbering Stand
Patent for a motor limbering stand. To provide an apparatus for starting and testing motors.
Date:
February 19, 1918
Creator:
Hill, James H.
System:
The Portal to Texas History