Patents by Inventor Ralph Herron

Ralph Herron has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Abrasive filaments in coated abrasives
    Patent number: 6019805
    Abstract: A coated abrasive material comprising a substrate and maker coat and adhered by means of the maker coat a plurality of abrasive grits in the form of U-shaped particles or coils.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: February 1, 2000
    Assignee: Norton Company
    Inventor: Ralph Herron