All Patents in class 138/111


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All Patents in class 138/111
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
2,668,557	Feb. 09, 1954	W.G. Hoelscher	Conduit System for Machine Tools	metal lathe mechanisms
2,871,886	Feb. 03, 1959	N.V. Gusching, J. Obreski	Manifold
2,871,887	Feb. 03, 1959	N.V. Gusching, J. Obreski	Manifolding