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Patents Granted on 1850-03-05
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
7,133	Mar. 05, 1850	G. Bonwile	Machine for planing slats for blinds	windowblind machines
7,143	Mar. 05, 1850	J. MacGregor, Jr.	Heating-furnace

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