Patents by Inventor Joseph P. Kirchberg

Joseph P. Kirchberg 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: D444332
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: July 3, 2001
    Assignee: Westerlund Products Corporation
    Inventors: William Louis Zemke, Jr., Joseph P. Kirchberg
  • Patent number: D526165
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: August 8, 2006
    Assignee: Fort James Corporation
    Inventors: Brent J. Burns, David R. Maroney, Joseph P. Kirchberg