Patents for William P. Huffman


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Patents for William P. Huffman
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
1,808,074	Jun. 02, 1931	F.F. Rike, W.P. Huffman	Valve
1,963,270	Jun. 19, 1934	F.F. Rike, W.P. Huffman	Pressure relief attachment