Patents by Inventor Dragica Graf

Dragica Graf 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).

  • Half-timber frame and half-timber compartment element
    Patent number: 6032434
    Abstract: What is disclosed is a half-timber frame, compartment elements for a like half-timber frame, and a method for producing a compartment element, wherein boards of small-dimension timber are utilized for producing the half-timber frame supports as well as the compartment elements, such that a product which is considerably more economical than conventional solutions while having comparable thermal and acoustic insulation is obtained.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: March 7, 2000
    Assignee: Dragica Graf
    Inventor: Dragica Graf