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All Patents in class 137/279
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,338,846	May 04, 1920	M.H. Rix, R.B. Linsley, H.E. Thompson	Standpipe
	1,342,516	Jun. 08, 1920	P.L. Bunn, H.E. Thompson	Standpipe

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