Frank A. Duchnowski

Person

  • Lawrence, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Radial diffuser

    • Patent number 6,227,696
    • Issue date May 8, 2001
    • J.H. Horne & Sons Company
    • Frank A. Duchnowski
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Apparatus for forming paper on a cylinder mold

    • Patent number D246312
    • Issue date Nov 8, 1977
    • J. H. Horne & Sons Company, Inc.
    • John Herbert Gordon
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Cylinder mold former with flow box and pressure lid

    • Patent number 4,024,016
    • Issue date May 17, 1977
    • J. H. Horne & Sons, Inc.
    • John Herbert Gordon
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE