UNT Libraries Government Documents Department - 6 Matching Results

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Carpenter's Jack

Description: Patent for a carpenter's jack specifically designed for "carpenters or workmen in laying flooring, putting up siding, or any similar operations" (lines 9-11).
Date: October 24, 1905
Creator: McCulley, Perry J.
Item Type: Refine your search to only Patent

Chuck.

Description: Patent for a chuck used with a jewelers lathe to hold watch crystals in place while cutting them down to size.
Date: November 24, 1908
Creator: Bruton, David A.
Item Type: Refine your search to only Patent

Wagon-Bed Elevator

Description: Patent for a wagon-bed elevator that "is to provide an elevator for wagon-beds by means of which a single person can raise the bed from the wagon to any desired height and leave it suspended in position where it can be readily lowered upon the wagon again at any time" (p. 2).
Date: July 24, 1888
Creator: Holliday, William A.
Item Type: Refine your search to only Patent

Well-Drilling Apparatus.

Description: Patent for a well-drilling apparatus meant "to provide improved means for adjusting and withdrawing drill-tools without removing the drill-rod to provide a folding reamer and means for adjusting the blades thereof, and to provide means for conveying water to the drill, whereby the drillings are carried up outside of the drill-rod or barrel" (lines 9-16).
Date: December 24, 1895
Creator: Horton, Stephen A.
Item Type: Refine your search to only Patent
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