Patents Represented by Attorney Walter R. Kirn

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  • Film construction for use in a plain paper copier
    Patent number: 5298309
    Abstract: An electrographic article comprising a polymeric film having at least one polymeric receptor layer coated on at least one side thereof, said receptor layer having an equivalent or lower storage elasticity modulus than a toner resin used for forming images on said article.
    Type: Grant
    Filed: February 24, 1993
    Date of Patent: March 29, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Joseph C. Carls, Alan J. Herbert, Donald J. Williams