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All Patents in class 427/112
Patents 1 - 2 of 2
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PictureNumberDatePatenteeTitle
  323,372Jul. 28, 1885W. Stanley, Jr., E.P. ThopmsonCarbon for incandescent lamps
  878,463Feb. 04, 1908F. Hanaman, A. JustProcess of Manufacturing Incandescent Bodies for Electric Lamps
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