Patents Assigned to Nishikawa Rubber Company
  • Retainer for rubbery articles or the like
    Patent number: D318792
    Type: Grant
    Filed: April 4, 1988
    Date of Patent: August 6, 1991
    Assignees: Nishikawa Rubber Company, Nifco Inc.
    Inventors: Hiroyuki Hamanaka, Noboru Obayashi