Distinct Gripping Surface Patents (Class D29/117.2)
  • Patent number: D522698
    Type: Grant
    Filed: March 17, 2004
    Date of Patent: June 6, 2006
    Assignee: Showa Co.
    Inventor: Masato Yamamoto
  • Patent number: D536487
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: February 6, 2007
    Inventor: Vilaysouk Boribong
  • Patent number: D468487
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: January 7, 2003
    Inventor: Leo L. Shoemaker
  • Patent number: D468870
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: January 14, 2003
    Inventor: Elonda Bufford
  • Patent number: D540991
    Type: Grant
    Filed: May 4, 2005
    Date of Patent: April 17, 2007
    Assignee: Showa Co.
    Inventors: Hidetoshi Kishihara, Yasuhiro Fukushima, Ryo Saito, Hisao Kakuto, Kazuki Sumiyoshi