Patents by Inventor Hubert Hoffmann

Hubert Hoffmann 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).

  • Mattress
    Patent number: 6061856
    Abstract: A mattress or mattress core is provided, and comprises a base member that is provided with at least two approximately cylindrical cavities that extend in a transverse direction of the mattress or mattress core. Approximately cylindrical inserts are adapted to be placed into the cavities. The inserts at least in part have different degrees of hardness.
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: May 16, 2000
    Inventor: Hubert Hoffmann