Patents for Henry C. Truesdall


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Patents for Henry C. Truesdall
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	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
	698,818	Apr. 29, 1902	L.H. Colburn	Glass-blowing machine