All Patents in class 254/11


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All Patents in class 254/11
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	104,790	Jun. 28, 1870	O. Taff	Improvement in floor-clamp
	164,881	Jun. 22, 1875	E. Sloan	Improvement in planking-sets for ship-carpenters
	1,266,253	May 14, 1918	E. Hakanson	Floor Set