Patents Assigned to Sandra L. Miller
  • Method for forming sandpaper disks
    Patent number: 5175965
    Abstract: A method and apparatus for forming sandpaper discs on a mass production basis. A roll of sandpaper and a roll of a velour fabric are mounted in a frame structure and are moved along separate feed paths to a pair of drive rollers where the webs are juxtaposed for subsequent movement through the apparatus as a laminated web.
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: January 5, 1993
    Assignee: Sandra L. Miller
    Inventor: Kenneth R. Sanborn