Collection
States
4 Matching Results
Results open in a new window/tab.
Results:
1 - 4 of
4
Cycle-Car
Patent for a cycle car that can be steered and propelled by hands only and can be used with ordinary bicycles.
Date:
November 29, 1921
Creator:
{Payne, Luther M.}; {Miller, Lee A.} & {Douglas, John J.}
System:
The Portal to Texas History
Method of Sealing the Walls of Deep Wells
Patent for a new and useful method of dealing the walls of deep wells in which the means for lining oil wells by the use of the customary metal casing is avoided, the cost is very materially reduced, and numerous expenses and failures are avoided.
Date:
November 29, 1921
Creator:
Nolan, William E.
System:
The Portal to Texas History
Railroad Tie
Patent for a new design of railroad-ties meant "for clamping together the two members of the tie and for adjusting them relatively to each other so as to adapt them to clamp rails of different widths" (lines 13-16), with illustrations.
Date:
November 4, 1913
Creator:
Grant, James K.
System:
The Portal to Texas History
Well-Screen
Patent for a well screen which allows water to flow through easily while stopping any other items from going through into the well.
Date:
November 8, 1910
Creator:
Decker, Harry R. & Houk, Russell W.
System:
The Portal to Texas History