Patents by Inventor Robert L. Dahlem

Robert L. Dahlem 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).

  • Stereo sound pillow and method of making
    Patent number: 5201002
    Abstract: The disclosed stereo sound pillow has a resilient interior fiberous composite and an essentially nonextendable exterior case completely enclosing the interior composite. Sound speakers having sound outlets from both front and rear sides thereof, and lead wires connected to each speaker, are fixed to a flexible mounting strip: and the mounting strip and speakers are surrounded by the interior composite to hold the sound speakers suspended within the interior composite, spaced apart lengthwise and from the side and end edges thereof, and the lead wires exit from the exterior case adjacent one end edge.
    Type: Grant
    Filed: July 31, 1990
    Date of Patent: April 6, 1993
    Inventor: Robert L. Dahlem