UNT Libraries Government Documents Department - 8 Matching Results

Search Results

Results: 1 - 8

Carrier Iron for Draw Bars.

Description: Patent for a new and improved carrier iron for draw-bars. This design "is to provide an improved draw-bar support exceedingly strong and durable in construction and very cheap and simple which will prevent spreading of the draft-timbers or sagging of the draw-bar and which can be reversed" (lines 19-24). It consists in "[t]he combination, in a car, of the draft-timbers, the draw-bar between the same, and the loop-shaped carrier-iron in one piece embracing said timbers and passing above and belo… more
Date: September 27, 1892
Creator: Minton, William Dryden & Douglas, Alexander Stewart
Item Type: Refine your search to only Patent

Switch.

Description: Patent for an electric switch that is used in conjunction with a signaling device that allows for lights to be activated synchronously or asynchronously via the use of two levers.
Date: September 6, 1921
Creator: Riggs, Fletcher S.
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a new and improved wrench. This design is "especially adapted for manipulating pipe-joints, though applicable, also, for use in manipulating nuts, &c.; and it consists in the [novel] detailed construction and combination of operating parts" (lines 24-28).
Date: September 21, 1880
Creator: Weir, Duncan
Item Type: Refine your search to only Patent
Back to Top of Screen