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Spark-Plug Attachment

Description: Patent for A Spark-Plug Attachment. This spark- plug attachment is designed to facilitate the sparking process without further damaging the porcelain component of the spark-plug.
Date: July 15, 1918
Creator: Sherill, Guy M.
Partner: UNT Libraries Government Documents Department

Portable Weighing Appartus

Description: Patent for portable weighing apparatus. Illustration included.
Date: July 10, 1909
Creator: Harrison, James H.
Partner: UNT Libraries Government Documents Department

Gripping Device.

Description: Patent for equipment for use in the drilling of wells to help with the placement of casing, pipes, etc. by holding it in place
Date: July 11, 1922
Creator: Moody, Joseph F.
Partner: UNT Libraries Government Documents Department

Finder For Fireplaces

Description: Patent for a fender for fireplaces. Illustration included.
Date: July 25, 1905
Creator: Plummer, Thomas W.
Partner: UNT Libraries Government Documents Department
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