Counties
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Drill-Cable Clamp.
Patent for Drill-Cable Clamp is for a device that clamps the rope to which the drill connects. The rope can be rotated, while connected to both the drill and the drilling machine securely.
Date:
May 6, 1913
Creator:
Clayton, Robert Fentress
System:
The Portal to Texas History