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Patents for William M. Knourek
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,368,403	Feb. 15, 1921	W.M. Knourek	Knife-holder for shapers
	1,785,351	Dec. 16, 1930	W.M. Knourek	Mortising tool
	2,679,869	Jun. 01, 1954	W.M. Knourek	Machine for forming interlocking mitered joints for muntin structures

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