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Patents for George H. Ziegler
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
114,779May 16, 1871J.E. DonaldsonScratchstockscratch beaders
125,098Mar. 26, 1872E.J. SumnerImprovement in lumber driers
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