Spark-Plug Attachment (open access)

Spark-Plug Attachment

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.
System: The Portal to Texas History
Portable Weighing Appartus (open access)

Portable Weighing Appartus

Patent for portable weighing apparatus. Illustration included.
Date: July 10, 1909
Creator: Harrison, James H.
System: The Portal to Texas History
Finder For Fireplaces (open access)

Finder For Fireplaces

Patent for a fender for fireplaces. Illustration included.
Date: July 25, 1905
Creator: Plummer, Thomas W.
System: The Portal to Texas History
Gripping Device. (open access)

Gripping Device.

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.
System: The Portal to Texas History