UNT Libraries Government Documents Department - 13 Matching Results

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Rod-Puller.

Description: Patent for a rod puller and "relates to a lifting device for pump-tubing, drill-rods, and the equivalents thereof" (lines 8-10).
Date: June 10, 1913
Creator: Hooker, James H.
Item Type: Refine your search to only Patent

Agricultural Machine.

Description: Patent for an agricultural machine, a frame structure that can hold multiple types of agricultural devices and allows for the proper adjustment and manipulation of said devices without changing the frame's structure.
Date: December 30, 1919
Creator: Northcutt, John & Crawford, Miner
Item Type: Refine your search to only Patent

Rail-Joint

Description: Patent for "the provision of a substantial and staff joint at a less expense than the ordinary joint including fish-plates and a series of bolts and which will obviate the use of chairs to support the ends of adjacent rails and bordering upon the joint" (lines 13-18).
Date: March 19, 1901
Creator: Stephens, Ammon I. & Stephens, Benjamin F.
Item Type: Refine your search to only Patent

Rail-Joint.

Description: Patent for "a self-locking rail-joint of novel construction and which will preclude the use of bolts or analogous fastenings, the weight of the rails and their securement to the ties being sufficient to hold the parts of the clamp close against opposite sides of the rail ends." (lines 12-17), including illustrations.
Date: February 25, 1902
Creator: Stephens, Benjamin F.
Item Type: Refine your search to only Patent

Body-Armor.

Description: Patent for "an armor adapted to be employed without the use of securing-straps and which, while protecting the shoulders of the wearer, will permit of the use of his arms and shoulders, as, for instance, in executing the manual of arms, without such movement being retarded by the weight of one of the body-plates." (Lines 16-23) Includes instructions and illustrations.
Date: October 27, 1896
Creator: Stevenson, Robert Ferguson
Item Type: Refine your search to only Patent
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