Patents for Pearl Proper


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Patents for Pearl Proper
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	984,023	Feb. 14, 1911	W.O. Platt	Governing Valve for Gas Engines
	1,079,878	Nov. 25, 1913	W.O. Platt, J. Reid	Vaporizer and Igniter for Internal Combustion Engines