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Patents for Roswell Hart
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
188,939	Mar. 27, 1877	J.A. Peoples	Improvement in machines for splitting hoop-poles	hoop making machines
192,874	Jul. 10, 1877	J.A. Peoples	Improvement in machines for splitting hoop-poles	hoop making machines
194,842	Sep. 04, 1877	J.A. Peoples	Improvement in hoop-machines	hoop making machines
197,052	Nov. 13, 1877	J.A. Peoples	Improvement in machines for splitting hoop-poles	hoop making machines

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