Patents by Inventor Lars Planefeldt

Lars Planefeldt 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).

  • Device for mobile telephones
    Patent number: 5687230
    Abstract: The invention relates to a device for mobile telephone apparatus comprising at least one loudspeaker and at least one microphone arranged in connection with a headrest, the loudspeaker and the microphone being connected to the mobile telephone. According to the invention, the loudspeaker is integrated in the headrest and the microphone is arranged on an arm, which arm is attached to the headrest.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: November 11, 1997
    Assignee: AB Volvo
    Inventors: Jan-Olof Olausson, Lars Planefeldt, Dan Svensson, Sven .ANG.ke Gullner