UNT Libraries Government Documents Department - 4 Matching Results

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Air-Pump.

Description: Patent for an air pump improvement that simpler and cheaper to produce. It also provides a description of "the combination and arragement of parts" (lines 14-15), including illustrations.
Date: May 16, 1916
Creator: Runge, Friedrich Albert
Item Type: Refine your search to only Patent

Improvement in Chairs.

Description: Patent for improvements in chairs: "the back, seat, foot rest, and head rest are all self adjusting, and operated by the natural movements of the occupant" (lines 11-13).
Date: April 16, 1872
Creator: Haupt, William W.
Item Type: Refine your search to only Patent

Sash Holder.

Description: Patent for a new and improved sash-holder. This design consists in "[t]he combination, with the wire having an inclined portion and offsets . . . of the plate separate therefrom and having a vertical portion adapted to be secured to a window-frame, a horizontal portion to which the upper end of the wire is secured, a depending portion, and a roller free to ride upon the inclined portion of the wire and formed with a hub and rubber bands, one upon each end of the hub and sprung into grooves in t… more
Date: September 16, 1890
Creator: Stukes, John Marion
Item Type: Refine your search to only Patent
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