Patents by Inventor John Rafoss

John Rafoss 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: 6645329
    Abstract: Disclosed are a system and method for installing tiles and the like. The system allows for easily spreading mortar before installation of tiles or the like, and grout thereafter; and the method uses the same system for dispensing both mortar and grout with only minor modification thereto being required to optimize material spreading results.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: November 11, 2003
    Inventor: John Rafoss