Texas Patents - 3 Matching Results
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- Valve Structure
- Patent for valve improvements in controlling the flow of fluids under high pressure.
- Cut-off Valve for Pipe-Lines
- Patent for cut-off valve for pipe-lines intended for oil companies.
- Railroad-Tie.
- Patent for a "simple and effective railroad tie for supporting the rails and rigidly holding them in the position of use" (lines 19-21).