All Patents in class 65/300


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All Patents in class 65/300
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
584,755	Jun. 15, 1897	H.J. Colburn	Glass-blowing machine
632,486	Sep. 05, 1899	H.J. Colburn	Automatic blast-regulator for glass-blowing furnaces
698,817	Apr. 29, 1902	H.J. Colburn	Glass-blowing machine