Patents by Inventor Evan Serge Baltazzi

Evan Serge Baltazzi 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).

  • Patent number: 4055684
    Abstract: Carrier particles for use in an electrophotographic process are prepared by coating a particulate matrix with an ion exchange resin dispersed in a polymeric binder. The resulting coated carrier particles are long lived and depending upon the choice of ion exchange resin can be used to impart a positive or negative triboelectric charge of the magnitude desired to electroscopic powders mixed therewith.
    Type: Grant
    Filed: May 3, 1976
    Date of Patent: October 25, 1977
    Assignee: Addressograph Multigraph Corporation
    Inventors: Evan Serge Baltazzi, Pabitra Datta