Resource Type
Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Drain-Valve for Well-Pipes.
Patent for drain valves used with well pipes that is "adapted to be positioned in the stand pipe of a well below the surface of the ground, and which may be actuated in cold weather so as to permit of the water in the pipe being drained back into the well" (lines 13-18) including illustration.
Date:
May 21, 1918
Creator:
Lindsey, William Noal
System:
The Portal to Texas History
Sod-Turning Plow
Patent for a plow to turn prairie sod. On the land side the pow has a longer runner which are attached by a cross bar.
Date:
May 12, 1902
Creator:
Fletcher, William
System:
The Portal to Texas History
Corn-Grinder
Patent for a grinder of ordinary corn
Date:
May 22, 1900
Creator:
Zimmerman, Frank W.
System:
The Portal to Texas History