2 Matching Results

Results open in a new window/tab.

Stock-Car (open access)

Stock-Car

Patent for an improvement on patent no. 326,591 so as "to enable a series of troughs in a stock-car to be extended toward and withdrawn 'from a position in line with the heads of the stock simultaneously; second, to provide for a vibrating water-trough a self-folding end support; third, to provide a car-door for the entrance of the stock which is capable of being folded and will unfold to close the door-opening in line with the inner surface of the car; fourth, to provide a sliding rear support for a folding car-door when closed; fifth, to enable the vibrating stall-partitions to be released from a horizontally-retained position from either side of the car; sixth, to enable one exterior end portion of a stock-car to be folded in line with the end hay-racks; seventh, to combine a folding exterior end portion of a car with the interior hay-rack" (lines 18-36).
Date: January 6, 1891
Creator: Stoner, Jacob B.
System: The Portal to Texas History
Drill-Bit (open access)

Drill-Bit

Patent for new improvement in drill-bits. The object of the invention is to "provide the driller with advanced knowledge of the formation into which he is about to extend his main hole".
Date: January 11, 1921
Creator: Smith, Primus W.; Bookhout, John J. & Monce, Edwin W.
System: The Portal to Texas History