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Patents for A. R. Hillyer
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	82,802	Oct. 06, 1868	L.S. Colburn	Improvement in slat-machines
	82,803	Oct. 06, 1868	L.S. Colburn	Improvement in machines for boring window-blinds

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