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All Patents in class 72/397
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
462,647	Nov. 03, 1891	J.E. Bidwell	Spring Bending and Fitting Machine	spring making machines
2,515,326	Jul. 18, 1950	C.J. Bath	Tangent Bender and Expansible Die Combination	metal bending machines

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