Patents by Inventor Daniel J. Chen

Daniel J. Chen 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).

  • Apparatus for melting thermoplastic material
    Patent number: D489741
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: May 11, 2004
    Assignee: Nordson Corporation
    Inventors: Wayne A. Calco, David F. Bullock, Dale T. Christensen, Daniel J. Chen, Paul S. Frates, William A. Lewis, Kenneth E. Rothrauff