Resource Type
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Combination Valve and Cap Tool
Patent for a combination valve cap and stem used to ease the process of deflating pneumatic tires by eliminating the need to keep track of a separate cap piece when removing the valve core, including illustrations and instructions for use.
Date:
May 7, 1918
Creator:
McComb, William Perry
System:
The Portal to Texas History
Rail-Joint.
Patent for a rail joint, which does need bolts to fasten it together.
Date:
December 7, 1909
Creator:
Perkins, Wallace P.
System:
The Portal to Texas History