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Counties
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Pipe Gripping Device.
Patent for Pipe Gripping Device used in conjunction with a good drilling outfit to grip and support the casing pipe of a well.
Date:
March 7, 1916
Creator:
Palmore, Martin W.
System:
The Portal to Texas History
Aerating-Churn.
Patent for an improved churn for aerating cream by forcing air down a pipe into the churn.
Date:
March 4, 1913
Creator:
Wailes, William S. H.
System:
The Portal to Texas History