All Patents in class 83/54


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All Patents in class 83/54
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	2,776,003	Jan. 01, 1957	F. Koster	Method and Apparatus for Cutting Tubing
	3,074,302	Jan. 22, 1963	H. May, E. Coulon	Method of Preparing Mitered Tubular Joints
	3,698,274	Oct. 17, 1972	D.C. Mohr, B.J. Miller, E.I. Coulon	Apparatus for Piercing Openings in Tubing