Automobile Attachment (open access)

Automobile Attachment

Patent for an automobile attachment designed to utilize the power produced by motorized engines for various farming implements.
Date: September 23, 1919
Creator: Klima, J.
System: The Portal to Texas History
Work Clamp. (open access)

Work Clamp.

Patent for an improved work clamp. The inventor claimed that the clamp was meant to be universal, allowing for several clamped pieces of material to be secured simultaneously for welding or other joining methods. The tool was meant to facilitate complex construction in a variety of machinery repair facilities and markets.
Date: November 25, 1919
Creator: Treuthardt, Arnold Charles
System: The Portal to Texas History
Tool-Heater (open access)

Tool-Heater

Patent for tool heaters "adapted to heat a soldering iron by gas" (lines 9-10) to increase the heat applied to the tool, including illustrations.
Date: October 21, 1919
Creator: Juergens, Ernest
System: The Portal to Texas History