Patents by Inventor Leonid Igelstyn

Leonid Igelstyn 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).

  • Magnetic-abrasive powder and method of producing the same
    Patent number: 5846270
    Abstract: A magnetic-abrasive powder includes a magnetic component of a powder of a magnetic material, an abrasive component of a powder of an abrasive material, and an adhesive which adhesively connects particles of the magnetic material with particles of the abrasive material.
    Type: Grant
    Filed: April 6, 1998
    Date of Patent: December 8, 1998
    Inventors: Savva Feygin, Gennady Kremen, Leonid Igelstyn