Patents by Inventor Mark D. Gillaspy

Mark D. Gillaspy 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).

  • Simulative audio remixing home unit
    Patent number: 5506371
    Abstract: The present invention pertains to audio equipment simulative of musical instruments. The invention allows a user to simulate the playing of music reproduced from an external audio source. The present invention allows a user to quickly modify the amplification of a given audio band pass frequency by selecting a first trigger associated with that band pass frequency, and subsequently activating a second trigger to modify the selected band pass frequency. The present invention has an decorative and functional appearance which may simulate any musical instrument, such as a guitar.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: April 9, 1996
    Inventor: Mark D. Gillaspy