All Patents in class 418/47


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All Patents in class 418/47
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	2,037,402	Apr. 14, 1936	J.L. Taylor	Blower
	2,377,299	May 29, 1945	A. Von Wangenheim	Rotary Pump
	2,497,247	Feb. 14, 1950	A. Von Wangenheim	Pump and Pressure Regulating Unit
	2,774,309	Dec. 18, 1956	O.W. Scheflow, L.T. Stoyke	Pump