Patents by Inventor Koppelomaki

Koppelomaki 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).

  • Patent number: 4673056
    Abstract: The disclosure relates to a vehicle loudspeaker system which is designed as an arc and is mounted in the vehicle transversely of the direction of travel of the vehicle so that the upper face (7) is connected to the inner roof of the vehicle. The loudspeaker system is provided with at least two loudspeakers (5) and, at its end, downwardly directed anchorage portions (2) which are screwed in place in the transitional regions between the vehicle roof and walls.According to the invention, the loudspeaker system is provided with rigid and enclosed end portions (1) with the loudspeaker (5) and anchorage portions (2). Between the end portions, there is disposed a length-adjustment portion consisting of a form-stable portion (8) which telescopically cooperates with the end portions, and a forming member (3) which covers the form-stable portion and which, at its ends continuously connects with the end portions (1).
    Type: Grant
    Filed: December 24, 1985
    Date of Patent: June 16, 1987
    Inventor: Koppelomaki