Symmetrica Pattern Or Pattern Unit Patents (Class D25/153)
  • Patent number: D297387
    Type: Grant
    Filed: August 23, 1985
    Date of Patent: August 30, 1988
    Assignee: McIlwraith-Davey Pty. Ltd.
    Inventor: Gregory J. Barr
  • Patent number: D297463
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: August 30, 1988
    Inventor: Vincent Greco