All Patents in class 29/6.1


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All Patents in class 29/6.1
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
88,972	Apr. 13, 1869	E. May	Sheet Metal Lath Machine	lath making machines
1,568,537	Jan. 05, 1926	H.C. Smith	Ribbing and Perforating Machine	sheet metal ribbing and perforating machines