Resource Type
Counties
Day
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Clamp.
Patent for a clamp "for use in in connection with hoisting-tackle for raising or lowering well-pipes..."(lines 9-10) that has one side attach to the pipe and the other side be releasable from the pipe.
Date:
April 9, 1907
Creator:
Danforth, Joseph B.
System:
The Portal to Texas History