Patents for William E. Mathews


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Patents for William E. Mathews
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,769,898	Jul. 01, 1930	W.E. Mathews	Unloading System for Compressors
	1,795,310	Mar. 10, 1931	W.E. Mathews	Compressor Unloader