Patents by Inventor David L. Lubbers

David L. Lubbers 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).

  • Portable voice studio system and method
    Patent number: 7262358
    Abstract: A portable voice studio apparatus is provided. The apparatus includes a microphone, a music generation device, a processing unit, and a headphone. The processing unit is contained in a single housing. The processing unit is electrically coupled with the microphone and the music generation device for receiving a first input signal from the microphone and a second input signal from the music generation device. The processing unit is configured to amplify and add an intended effect to at least one of the first and second input signals to generate an output signal. The headphone receives the output signal from the processing unit to enable a user to hear the output.
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: August 28, 2007
    Assignee: Supply Unlimited, Inc.
    Inventor: David L. Lubbers