Patents for William Wallace Byam


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Patents for William Wallace Byam
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
CA-2,999	Jan. 13, 1874	W.W. Byam, S. Grose, M. Harper	Blind slat machine	windowblind machines
CA-3,000	Jan. 13, 1874	W.W. Byam, S. Grose, M. Harper	Venetian blind