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Patents for David Frank
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	119,838	Oct. 10, 1871	T. Snyder, D. Frank	Improvements in Pipe Tongs or Wrench
	137,908	Apr. 15, 1873	D. Frank	Improvements in Monkey-Wrenches
	208,654	Oct. 01, 1878	D. Frank, G. Waldman	Improvement in Combined Knife and Measuring Rule

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