Patents by Inventor Bruno Sampietro

Bruno Sampietro 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 tool
    Patent number: 5383309
    Abstract: An abrasive tool, such as a disc, which is adapted for ready attachment and release from the back-up pad of a sanding or polishing machine by means of a hook and loop means is improved by the interposition of a resilient foam layer between the abrasive-containing layer and the layer comprising the hook and loop attachment means.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: January 24, 1995
    Assignee: Norton Company
    Inventor: Bruno Sampietro