Patents by Inventor Mitchell Grainger

Mitchell Grainger 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).

  • Harmonica microphone with improved control of audio feedback
    Patent number: 9756411
    Abstract: A hands-free harmonica microphone for controlling undesired audio feedback, the microphone comprising: a reflective curved microphone chamber, a harmonica mount, a transducer, associated electronics and a neck brace attachment apparatus for connecting the microphone to commercially available harmonica holders (neck braces). In one embodiment, the harmonica mount is detachably coupled (magnetically or otherwise) to the microphone chamber. In another embodiment, the harmonica mount is integrated to the microphone chamber so that is also possible to mount the harmonica directly onto the microphone chamber.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: September 5, 2017
    Inventor: Mitchell Grainger
  • Hands-Free Wireless Harmonica Microphone
    Publication number: 20160337736
    Abstract: A hands-free harmonica microphone for controlling undesired audio feedback, the microphone comprising: a reflective curved microphone chamber, a harmonica mount, a transducer, associated electronics and a neck brace attachment apparatus for connecting the microphone to commercially available harmonica holders (neck braces). In one embodiment, the harmonica mount is detachably coupled (magnetically or otherwise) to the microphone chamber. In another embodiment, the harmonica mount is integrated to the microphone chamber so that is also possible to mount the harmonica directly onto the microphone chamber.
    Type: Application
    Filed: May 12, 2016
    Publication date: November 17, 2016
    Inventor: Mitchell Grainger