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Patents for Joseph E. Swalinkavich Jr.
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,220,370	Nov. 05, 1940	W.P. Hilger, R.E. McFadden, J.E. Swalinkavich, Jr.	Drum for smoothing surfaces
	CA-402,418	Jan. 20, 1942	J.E. Swalinkavich, Jr., R.E. McFadden	Drum for smoothing surfaces

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