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Patents for Petter J. Frantze
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
141,214Jul. 29, 1873J.A. Gregersen, P.J. Frantze, M. TillesenImprovement in machines for cutting balusters
156,559Nov. 03, 1874P.J. FrantzeImprovement in lathes
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