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Patents for Threadwell Tap & Die Co.
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,153,054	Apr. 04, 1939	H.J. Smith	Die stock and tap wrench	taps and dies
2,227,281	Dec. 31, 1940	H.J. Smith	Tap	taps and dies

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