All Patents in class 254/212


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All Patents in class 254/212
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	114,053	Apr. 25, 1871	E.P. Shaffer	Improvement in Carpet Stretchers
	292,693	Jan. 29, 1884	E.P. Shaffer	Carpet Stretcher