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Pipe-Wrench
Patent for a pipe wrench with adjustable jaws.
Date:
December 31, 1912
Creator:
Brightwell, Walter J.
System:
The Portal to Texas History
Nasal Expander.
Patent for ensuring the the nasal passage does not collapse, contract, or close for breathing improvement while sleeping, including illustrations and instructions.
Date:
January 9, 1912
Creator:
McConnell, Franz Marshall
System:
The Portal to Texas History