Patents Assigned to Gemtex Company Limited
  • Abrasive disks and method of making
    Patent number: 5183479
    Abstract: Disks for heavy grinding are made by stamping uncoated backing material to provide a plurality of interconnected disk shapes. The shapes are notched or weakened for separation. The interconnected shapes are then covered with abrasive embedded in adhesive.
    Type: Grant
    Filed: November 1, 1991
    Date of Patent: February 2, 1993
    Assignee: Gemtex Company Limited
    Inventor: John R. Grimes