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in creator/contributor: "Williams, Benjamin F."  
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Drill-Support.

Description: Patent for "new and useful Improvements in Drill-Supports, of which the following is a specification. This invention relates to drilling apparatus, and more particularly to an apparatus of this character for use in coal or other mines for boring or drilling holes for blasting charges and other purposes" (lines 6-13).
Date: November 23, 1915
Creator: Williams, Benjamin F. & Mayfield, James W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shot-Carrying Shell.

Description: Patent for "a cartridge-shell which shall clean the barrel of the gun each time one is discharged, thereby preventing the gun becoming foul or clogged," and "which can be employed for shooting shot at long or short range." (Lines 11-17) Includes instructions and illustrations.
Date: March 30, 1897
Creator: Williams, Benjamin F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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