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Patents for E. Wackerhagen
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	64,605	May 07, 1867	S. Wheeler	Improvement in permutation locks
	76,680	Apr. 14, 1868	S. Wheeler	Improvement in pulleys and gearing for machinery
	145,771	Dec. 23, 1873	S. Wheeler	Improvement in ore-washers

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