Patents by Inventor Mark Porwit

Mark Porwit 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).

  • Product package
    Patent number: D491464
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: June 15, 2004
    Assignee: Fibre-Craft Materials Corporation
    Inventor: Mark Porwit