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      Scientific American January 03, 1874

      Decisions of the Courts - January 3, 1874

      United States Circuit Court---Northern District of Illinois. PATENT MACHINE FOR PRESSING AND STAMPING SHEET METAL. REVOCATION OF PATENT.—FRANK STURGES, OLIVER H. LEE, AND WILLIAM S. POTWIN vs ISAAC VAN HAGEN.

      • January 3, 1874

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      More in the January 03, 1874 issue of Scientific American
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