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Ditching-Plow.
Patent for a ditching plow for use in digging shallow ditches.
Date:
March 26, 1912
Creator:
Bruening, Theodore F.
System:
The Portal to Texas History
Saw-Tool.
Patent for a saw tool comprised of a saw set and gage, including illustrations.
Date:
May 26, 1914
Creator:
Devini, John H.
System:
The Portal to Texas History