Patents by Inventor Gunter Just

Gunter Just 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).

  • Sound-permeable cover for a loudspeaker
    Patent number: 4832150
    Abstract: A sound-permeable loudspeaker cover including a frame in which are arranged mutually crossing webs of a synthetic plastic material delimiting sound passage openings. A sound-permeable material, for instance a fleece, a textile fabric or a knitting, covers the sound passage openings, and is arranged approximately in the middle of the webs. The webs are produced as a single part according to the injection molding process, and penetrate the sound-permeable material to anchor it at a plurality of individual locations.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: May 23, 1989
    Inventors: Gunter Just, Erich Stastny