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Improvement in Fence-Post Sockets.
Patent for improvement in fencing where posts are held more securely with galvanized plates, sockets, and wires.
Date:
September 9, 1873
Creator:
Durant, George W. & Durant, James B.
System:
The Portal to Texas History
Improvement in Gang-Plows.
Patent for "constructing and arranging a gang or series of plows in one frame that they may have an adjustment on the supporting-runners, and a means of self-adjustment vertically, so that they may be set for furrow-slices of any given depth, and any one of the series may give way to an undue resistance in the line of the furrow without disturbing any other of the plows." (Lines 20-28) Includes instructions and illustrations.
Date:
November 9, 1869
Creator:
Hall, Thomas J.
System:
The Portal to Texas History
Plow
Patent for an improvement to reversible plows. The plow specified is capable of throwing dirt to both the left and right sides.
Date:
January 9, 1912
Creator:
Sramek, Jacob
System:
The Portal to Texas History
Half-Car Unloader
Patent for an improved and simplified mechanism of Half-Car Unloaders, which unloads earth materials such as coal and ore from a railroad car more easily and effectively by lifting up a train car, unloading its contents, and placing it back on the railroad track.
Date:
February 9, 1915
Creator:
Scardino, Mario P. & Scardino, Peter
System:
The Portal to Texas History