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Hydraulic Drill

Description: Patent for a hydraulic drill that allows drill bits to be easily inserted and removed and locks them in place when inside the drill.
Date: May 21, 1907
Creator: Charlton, James
Partner: UNT Libraries Government Documents Department

Roller-Drill

Description: Patent for a roller drill for drilling deep into rocks which bores small holes and is stronger than other models of roller drills.
Date: May 31, 1910
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner

Description: Patent for a hydrocarbon burner and "it has for its special object to provide a burner of this class which shall be especially adapted for the consumption of crude oil." (line 9-12)
Date: May 19, 1903
Creator: Latimer, Walter De
Partner: UNT Libraries Government Documents Department

Stilt

Description: Patent for an object that "provide a stilt in which the stilt or foot-support shall be associated with the pole in such manner as to permit of its ready longitudinal adjustment thereon and its positive securement in its adjusted position" (lines 9-13) including illustrations.
Date: May 9, 1902
Creator: Roberts, Luke L.
Partner: UNT Libraries Government Documents Department

Roller-Drill

Description: Patent for a roller drill for boring holes into rocks which is stronger than other roller drills and is constructed differently than his previous patent for a roller drill.
Date: May 24, 1910
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Window-Shade and Roller

Description: Patent for a Window-Shade and Roller that does not use springs or analogous devices to coil the curtain around the roller. This device rolls the curtain more evenly.
Date: May 31, 1910
Creator: Lowe, Purley E. & De Young, Blanche
Partner: UNT Libraries Government Documents Department

Speed-Recorder.

Description: Patent for an improvement in speed-recorders or device meant especially for street-cars, meant to protect the streets from reckless driving. The machine punches tape, recording the time the trolly takes to travel each block and how long the trolly takes at each stop.
Date: May 5, 1896
Creator: Spence, James, Jr.
Partner: UNT Libraries Government Documents Department