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Plow

Description: Patent for a plow with an adjustable pitch and share.
Date: October 1, 1912
Creator: KilPatrick, Robert L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cut-Off Valve.

Description: Patent for a new and improved valve. This design consists in "the valve-seat of [the] slide-valve, the entrances of whose steam passages form seats for auxiliary valves pivoted to [the] yoke on a rod, whose stud occupies said slot in upper portion of [the] arm pivoted to [the] pendant from [the] main valve-rod and terminating in [the] tappet, the same being combined with the adjustable stops" (lines 55-63).
Date: October 1, 1889
Creator: Moore, Robert B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Riveting-Mandrel.

Description: Patent for a riveting-mandrel "for riveting the overlapping ends of sheet metal to form pipes, tubes, or the like" (lines 10-12) including illustrations.
Date: June 1, 1897
Creator: Mantey, John F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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