Patents Represented by Attorney Peter Urahotes

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  • Treated ferromagnetic carrier particles for development powders
    Patent number: 4071655
    Abstract: Carrier particles of development powders are treated with a sodium salt of polystyrene sulfonic acid. As a result of the treatment, the triboelectric properties of the carrier particles are better controlled.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: January 31, 1978
    Assignee: Pitney-Bowes, Inc.
    Inventors: George Brana, Bheema Rao Vijayendran