UNT Libraries Government Documents Department - 5 Matching Results

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Ant-Trap.

Description: Patent for ant traps that has a body portion with upper and lower inlet chambers. The trap is connected with the upper inlet chamber by a passage-way through which the ants may pass.
Date: December 19, 1911
Creator: Seifert, Adolf R. R. & Campbell, Bertha
Item Type: Refine your search to only Patent

Axle-Box for Vehicles

Description: Patent for axle box for vehicles "in which after the axle and axle-boxes have been worm by use the lost motion can be taken up by interposing a tightening-washer and spring between the axle-box and nut, so the the axle-box of the wheel is restored to the same condition.(10-15)
Date: May 19, 1903
Creator: McFarland, Julian
Item Type: Refine your search to only Patent

Cotton or Corn Planter.

Description: Patent for a new and improved planter. This design consists "[i]n combination with the hopper of a corn or cotton planter, a vibrating sector provided with two median pins . . . and a seed-slide having the vertical stud projecting up between said pins, whereby the seed-slide will be intermittently and alternately struck by the two pins and reciprocated in opposite directions" (lines 58-65).
Date: February 19, 1889
Creator: Stone, Josephus; Watson, Thomas & Watson, Branch Archer
Item Type: Refine your search to only Patent
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