Patents by Inventor Negus Adefris

Negus Adefris 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).

  • Publication number: 20070020457
    Abstract: Composite particle having an abrasive grit with a ceramic material thereon. Composite particles can be incorporated, for example, into a variety of abrasive articles.
    Type: Application
    Filed: July 21, 2005
    Publication date: January 25, 2007
    Inventor: Negus Adefris