Patents Examined by Rolf Seifert
  • Ornamental chain
    Patent number: D338423
    Type: Grant
    Filed: January 31, 1991
    Date of Patent: August 17, 1993
    Assignee: M.G.Z. S.p.A.
    Inventor: Pasquale Bichi
  • Ornamental chain
    Patent number: D343587
    Type: Grant
    Filed: November 26, 1991
    Date of Patent: January 25, 1994
    Assignee: David Rozenwasser, Ltd.
    Inventor: David Rozenwasser
  • Key holder
    Patent number: D343952
    Type: Grant
    Filed: July 17, 1991
    Date of Patent: February 8, 1994
    Inventor: Sumner B. MacDonald
  • Ornamental chain
    Patent number: D347597
    Type: Grant
    Filed: November 26, 1991
    Date of Patent: June 7, 1994
    Assignee: David Rozenvasser, Ltd.
    Inventor: David Rozenwasser
  • Fastening for a jewelry chain
    Patent number: D361954
    Type: Grant
    Filed: April 4, 1994
    Date of Patent: September 5, 1995
    Assignee: Colpo E. Zilio SRL
    Inventor: Renzo Colpo