Resource Type
Counties
2 Matching Results
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Tube-Clamp
Patent for a tube clamp for holding pipe sections in wells.
Date:
May 21, 1912
Creator:
Krauskope, Oscar
System:
The Portal to Texas History
Fly-Trap
Patent for an insect trap for flies. Illustrations included.
Date:
December 24, 1912
Creator:
Krueger, Samuel
System:
The Portal to Texas History