All Patents in class 72/85


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All Patents in class 72/85
Patents 1 - 5 of 5
Number	Date	Patentee	Title	Type
4,924	Jan. 13, 1847	A. Heaton	Spinning Sheet Metal	sheet metal
88,885	Apr. 13, 1869	J.L. Mason	Screw Forming Machine	metal swaging machines
557,791	Apr. 07, 1896	J. Findlay	Machine for Making Seamless Tapered Tubes	tube making machines
2,932,890	Apr. 19, 1960	B. Sassan, C.L. Sporck	Metal Working	metal spinning machines
3,055,327	Sep. 25, 1962	C.L. Sporck	Metal Working	metal spinning machines