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All Patents in class 137/278
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,338,846	May 04, 1920	M.H. Rix, R.B. Linsley, H.E. Thompson	Standpipe	standpipes
1,342,516	Jun. 08, 1920	P.L. Bunn, H.E. Thompson	Standpipe	standpipes

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