Patents for David G. Colburn


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Patents for David G. Colburn
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	7,242X	Oct. 25, 1832	D.G. Colburn	Percussion Lock
	7,620X	Jun. 29, 1833	D.G. Colburn	Manufacturing guns
	8,187X	May 12, 1834	D.G. Colburn	Raising and conveying water for propelling machinery