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Whiffletree.

Description: Patent for a new and improved whiffletree. This design "compris[es] a front rod and a back rod or spring united together by welding, said whiffletree having its ends rounded to form shoulders and provided with hooks fitting upon the rounded ends and prevented from slipping inward by the shoulders, and disks placed upon said rounded ends and attained thereon by swaging the latter" (lines 6-13).
Date: May 28, 1889
Creator: Black, William Jackson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Whiffletree.

Description: Patent for a new and improved whiffletree. This design "compris[es] a front bar, a back rod or spring united to the front bar by welding, the ends of both said bar and rod being bent upon themselves and the parts welded together to construct an eye or opening, whereby both bar and rod are bent around the latter . . . a strengthening-piece placed between the front bar and the back rod or spring, and a casing secured to the back rod and adapted to hold the strengthening-piece in place" (lines 8-1… more
Date: May 28, 1889
Creator: Black, William Jackson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combined Cotton, Corn, And Sorghum Planter

Description: Patent for improvements to a previously made patent serial no. 287,764: the improvements would include adjustable feed disks, simple and adjustable means of regulating the feed of the seed, bracing rods for the drill, and improvements in construction of the frame and hopper.
Date: May 28, 1889
Creator: Schofield, Jake Drommond
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Door.

Description: Patent for a new and improved door for railroad cars. This design consists in "[t]he combination, with the car having the door-opening with its upper and lower edges parallel and inclined upward and inward, and the bolt-keeper secured to the sill of the car, of the door having correspondingly-inclined upper and lower edges, the guide-staple and fulcrum-bracket secured to the door at proper points, the operating-lever pivoted to said bracket, the link-rods and bolt, the [other] link-rod pivoted … more
Date: May 28, 1889
Creator: Charlton, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design "relates to double-mold-board plows, such as lister or middle-breaking plows. Its principle features are the depressed center bar, the removable point upon the center bar, and the removable shares" (lines 8-12).
Date: May 28, 1889
Creator: Tebbetts, Lewis B.; Pope, Charles H. & Stewart, John A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drilling Tool for Wells.

Description: Patent for a new and improved drilling tool for wells. This design "relates to tools for drilling or boring Artesian, oil, and other deep wells; and it has for its object to prevent the loss of drill or auger or any portion of the drill-rods. With this end in view the invention consists in the improved means for connecting the tool to the lower end of the drill-rod" (lines 9-15).
Date: May 28, 1889
Creator: McLane, Hiram H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Gin Brush

Description: Patent for "a cheap, durable, efficient, and simple brush adapted for use in cotton-gins, the parts of which may readily be assembled or detached for purposes of construction, renewal, replacement, or repair" (lines 9-14).
Date: May 28, 1889
Creator: Swann, Warner Minor & Swann, Richard Tompkins
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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