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Patents for A. E.H. Johnson
Patents 1 - 4 of 4
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
112,108Feb. 28, 1871E. BeachWrench
112,109Feb. 28, 1871E. BeachWrench
159,229Jan. 26, 1875H.C. StoufferImproved Pipe-Tongs
179,816Jul. 11, 1876J. PassenoPipe-Tongs
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