Patents Granted on 1831-11-07


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Patents Granted on 1831-11-07
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
6,826X	Nov. 07, 1831	R. Cromelin	Matresses, sofas, etc.
6,827X	Nov. 07, 1831	H. Spencer	Thrashing machine	threshers and thrashers
6,828X	Nov. 07, 1831	O. Tufts	Strengthening toggle joint in the hand press	printer