Patents Represented by Attorney Walter N. Kirnn

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  • Flexible nonwoven mat
    Patent number: 5380580
    Abstract: The present invention relates to a flexible nonwoven mat comprising physically entangled shot-free ceramic oxide fibers. The flexible nonwoven mat is useful, for example, as filter material, mounting mat, thermal insulation, and sound insulation.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: January 10, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John J. Rogers, John L. Erickson, Stephen M. Sanocki