Patents by Inventor Lawrence J. Mattes

Lawrence J. Mattes 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: D294236
    Type: Grant
    Filed: May 17, 1985
    Date of Patent: February 16, 1988
    Inventor: Lawrence J. Mattes