Patents by Inventor Renato Terragni

Renato Terragni 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).

  • High porosity vitrified bonded grinding wheels
    Patent number: 5203886
    Abstract: Vitrified bonded abrasive bodies prepared from sol-gel sintered aluminous grit particles, a vitreous bond, bubbled alumina, and a sacrificial organic material exhibit improved abrasive performance, especially for creepfeed grinding products.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: April 20, 1993
    Assignee: Norton Company
    Inventors: David A. Sheldon, Carole J. Markhoff-Matheny, Renato Terragni
  • Abrasive article
    Patent number: 5104424
    Abstract: Abrasive wheel using sol gel alumina particles and silicon carbide abrasive particles in a high elastic modulus bond containing an inorganic filler.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: April 14, 1992
    Assignee: Norton Company
    Inventors: Gordon E. Hickory, Robert N. Smith, Renato Terragni