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Combined Pencil Holder and Sharpener.

Description: Patent for a combined pencil holder and sharpener, which uses the sharpener as a pencil cap.
Date: November 30, 1909
Creator: Haase, Conrad H.
Partner: UNT Libraries Government Documents Department

Locking Mechanism

Description: Patent for locking mechanism, particulalry used in locking liquid dispensing machines.
Date: January 30, 1917
Creator: Bradley, Richard C.
Partner: UNT Libraries Government Documents Department

Drill-Bit.

Description: Patent for improvement to drill-bits. The object of the invention is to provide a bit of the character described which is especially adapted for deep well drilling by the rotary process.
Date: December 30, 1919
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department

Illuminated Sign and Operating Means Therefor

Description: Patent for an illuminated sign and how to operating means. Illustration included.
Date: October 30, 1906
Creator: Dunkle, George Harvey
Partner: UNT Libraries Government Documents Department

Combination Drill Bit and Drill Shank

Description: Patent for "Improvements in Combination Drill-Bits and Drill-Shanks" (lines 6-7) including illustrations.
Date: December 30, 1919
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department
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