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Boring-Tool for Oil-Wells and the Like.
Patent for new and improved boring tools. The combined wheel bit and reamer is intended to simultaneously bore and ream.
Date:
February 15, 1921
Creator:
Belcher, Mark
System:
The Portal to Texas History
Track Sweeping and Oiling Device
Patent for a strong and durable oiling device.
Date:
February 15, 1916
Creator:
Nathaniel, Walter R.
System:
The Portal to Texas History