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in creator/contributor: "Wolfram, John Arnold"  
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Cotton Sprinkler.

Description: Patent for a new and improved sprinkler. This design consists "[i]n a cotton or other plant sprinkler, the reservoir or tank mounted upon a suitable carriage or truck, and having connected thereto a pump, in combination with the grooved pulley, rigidly secured to the wheel of the carriage or truck, belt or chain, pulley, clutch, and crank, connected by suitable levers or arms to the piston-rod . . . with the pipes, provided with roseheads, of the arm or carrier, formed in sections and connected… more
Date: May 17, 1881
Creator: Wolfram, John Arnold
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Farm Gate.

Description: Patent for a new and improved farm gate. This design "has relation to that class of swinging farm-gates operated by an arrangement of levers upon both sides thereof, whereby the gate can be opened and closed by the driver or occupant of the vehicle without getting down from his [or her] seat" (lines 16-21).
Date: August 30, 1881
Creator: Wolfram, John Arnold
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Farm Gate.

Description: Patent for a new and improved farm gate. This design "provide[s] the gate with a suitable spring-bolt, in connection with an arrangement of devices or mechanism whereby the bolt is operated as the gate is being opened; also, in providing means whereby the pressure on the gate caused by the wind is equalized, thereby enabling the gate to be more easily operated" (lines 22-29).
Date: December 13, 1881
Creator: Wolfram, John Arnold
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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