All Patents in class 280/28.5


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All Patents in class 280/28.5
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	103,102	May 17, 1870	S.S. Stuntz	Improved Traction Machine for Plows
	219,938	Sep. 23, 1879	J.J. Holcombe	Endless-Track Vehicles