Patents Assigned to Ferd. Wagner
  • Gold alloy wire for jewelry chains
    Patent number: 4297416
    Abstract: Gold alloy wire for the production of jewelry, especially jewelry chains, is made of a gold solder containing nucleus and a jacket of a gold alloy wherein the solder containing nucleus has a core of fine gold which is surrounded by a layer of a ductile, lower melting gold solder alloy.
    Type: Grant
    Filed: June 13, 1979
    Date of Patent: October 27, 1981
    Assignee: Ferd. Wagner
    Inventors: Hans Krug, Kurt Heilmann
  • Silver alloy wire for jewelry chains
    Patent number: 4247602
    Abstract: Silver alloy wire for the production of jewelry, especially jewelry chains is made of a solder containing nucleus and a jacket of silver or silver alloy wherein the solder containing nucleus has a core of silver or silver alloy surrounded by a layer of brass.
    Type: Grant
    Filed: June 13, 1979
    Date of Patent: January 27, 1981
    Assignee: Ferd. Wagner
    Inventors: Hans Krug, Kurt Heilmann