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in place name: "United States - Texas - Wichita County - Burkburnett"  
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Underreamer.

Description: Patent for an underreamer with improved construction and increased operating efficiency; including illustrations.
Date: December 9, 1913
Creator: Wagner, Warren
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Device for Recovering Tools from Wells.

Description: Patent for a device to lift and recover tools, such as drill-bits, that have been dropped or lost in wells. The device features two prongs that may be engaged to grip or secure in a "biting hold" (line 50) various objects, illustrations included.
Date: September 9, 1919
Creator: Scott, Augustus B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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