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Well Stuffing-Box.

Description: Patent for improvements on well stuffing boxes, particularly in packing the vertically reciprocating pump rod and keeping it packed over time, so that the stuffing box doesn't need to be dismantled for manual adjustments.
Date: November 16, 1915
Creator: Church, George W.
Partner: UNT Libraries Government Documents Department

Drill-Collar.

Description: Patent for a new design for collars to be used on water-flushed rotary drills, including instructions and illustrations.
Date: March 16, 1915
Creator: Myers, George S.
Partner: UNT Libraries Government Documents Department

Extension Pedal Attachment

Description: Patent for extension pedal for automobiles that can be easily and readily adjusted and applied to any ordinary automobile pedal, with illustration (lines 10-15).
Date: February 16, 1915
Creator: Harrington, Fred
Partner: UNT Libraries Government Documents Department
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