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Cultivator
Patent for improvements to cultivators.
Date:
May 21, 1901
Creator:
Skeen, Virgil G.
System:
The Portal to Texas History
Measure for Oil-Wells.
Patent for a device measuring the depth of oil and other wells by computing the distance preferably by the sand line or other line as it is let down from the earth's surface to the bottom of the well.
Date:
May 21, 1918
Creator:
Richardson, Robert B.
System:
The Portal to Texas History
Support for Telegraph Line-Wires and the Like.
Patent for "supports for telegraph and telephone line wires, electric light line wires, and the like, and the object is to provide simple and highly efficient brackets for holding such wires securely in place ... so that the wires will not drop to the ground" (lines 10-18), including instructions and illustrations.
Date:
May 21, 1918
Creator:
Wilson, James F.
System:
The Portal to Texas History