Patents by Inventor Fritz Berchtold

Fritz Berchtold 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).

  • Kitchen sink
    Patent number: 5870783
    Abstract: A kitchen sink with a frame and at least one basin are prefabricated as separate parts. For the connection between frame and basin(s), one of the two parts has undercut zones and the connection takes place through pressing the other part into an undercut zones mentioned, or into an interference fitting area.
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: February 16, 1999
    Assignee: Niro-Plan AG
    Inventors: Elmar Stoll, Melchior Lanz, Fritz Berchtold, Max Ris, Martin Bolli