Counties
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Bailer.
Patent for improved bailer for deep wells (e.g., oil wells), cheaper to use and manufacture, with a better delivery gate and improved method for triggering gate closure upon bailer withdrawal.
Date:
July 26, 1921
Creator:
Swartz, Ira
System:
The Portal to Texas History