Patents for Threadwell Tap & Die Co.


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Patents for Threadwell Tap & Die Co.
Patents 1 - 3 of 3
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
2,826,873	Mar. 18, 1958	G.C. Rau	Machine tool	tool making