Prong Engagement Patents (Class D11/230)
  • Upper part of fastening device
    Patent number: D521412
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: May 23, 2006
    Assignee: Polar Electro Oy
    Inventor: Jonne Harju
  • Clasp for wrist watch band
    Patent number: D289623
    Type: Grant
    Filed: March 13, 1985
    Date of Patent: May 5, 1987
    Assignee: Citizen Watch Co., Ltd.
    Inventors: Akira Inoue, Hiroshi Watanabe
  • Belt buckle
    Patent number: D301702
    Type: Grant
    Filed: December 1, 1986
    Date of Patent: June 20, 1989
    Inventor: Donald G. Peterson
  • Buckle
    Patent number: D748532
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: February 2, 2016
    Assignee: STEFANO RICCI S.P.A.
    Inventor: Stefano Ricci
  • Buckle
    Patent number: D823161
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: July 17, 2018
    Assignee: ROGER VIVIER S.P.A.
    Inventors: Diego Della Valle, Bruno Frisoni
  • Buckle
    Patent number: D823162
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: July 17, 2018
    Assignee: ROGER VIVIER S.P.A.
    Inventors: Diego Della Valle, Bruno Frisoni
  • Buckle
    Patent number: D823163
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: July 17, 2018
    Assignee: ROGER VIVIER S.p.A.
    Inventors: Diego Della Valle, Bruno Frisoni
  • Buckle
    Patent number: D823164
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: July 17, 2018
    Assignee: ROGER VIVIER S.P.A.
    Inventors: Diego Della Valle, Bruno Frisoni
  • Buckle
    Patent number: D826086
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: August 21, 2018
    Assignee: Roger Vivier S.p.A.
    Inventors: Diego Della Valle, Stefanie Isa Scherer