Patents by Inventor Karen Sem

Karen Sem 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 article
    Patent number: 8192250
    Abstract: An abrasive article is disclosed that is suitable for cleaning, sanding, scraping, or other such process of removing an outer layer or adherent matter. The abrasive article includes a plurality of abrasive particles at least partially embedded in a frozen liquid.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: June 5, 2012
    Assignee: Textron Innovations Inc.
    Inventors: Denver Whitworth, Shana Deering, Vance Cribb, Dumitru Radu Jitariu, Karen Sem