Patents for Philander H. Roots


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Patents for Philander H. Roots
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	30,157	Sep. 25, 1860	P.H. Roots	Blower
	44,892	Nov. 01, 1864	P.H. Roots	Improvement in blower-cases
	56,614	Jul. 24, 1866	P.H. Roots, F.M. Roots	Improvement in cross-heads for blowers
	RE2,369	Oct. 02, 1866	P.H. Roots	Improvement in blowers
	108,941	Nov. 01, 1870	F.M. Roots, P.H. Roots	Portable Forge