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Patents for Amos Thayer Jr.
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	3,356X	Aug. 08, 1821	A. Thayer, Jr.	Steam wheel
	3,436X	Jan. 19, 1822	A. Thayer, Jr., J. Lansing, Jr.	Rotary shifting piston steam engine
	3,669X	Mar. 06, 1823	A. Thayer, Jr.	Steam engine

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