All Patents in class 81/DIG.009


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All Patents in class 81/DIG.009
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	371,805	Oct. 18, 1887	W. Vanderman	Pipe-vise
	771,147	Sep. 27, 1904	E. Henderer	Pipe-vise
	2,604,804	Jul. 29, 1952	R.E. Schulz	Self-equalizing driving chuck