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Patents for John E. Swanstrom Jr.
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	3,304,817	Feb. 21, 1967	S.E. Swanson, J.E. Swanstrom, Jr.	Wrench with Concave Jaw Teeth
	3,739,664	Jun. 19, 1973	J.E. Swanstrom, Jr.	Tools and Machine Parts and Methods from Inverse Draft Forging

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