Patents Granted on 1837-03-11


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Patents Granted on 1837-03-11
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
140	Mar. 11, 1837	W. Mace	Machine for mortising posts and sharpening rails for fences	mortising machines
144	Mar. 11, 1837	D. Pierce	Improvement in Scythe-Snaths	auxiliary wrenches