Patents by Inventor D. Michael Shielda

D. Michael Shielda 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).

  • NON-DIRECTIONAL TRANSDUCER
    Publication number: 20120281870
    Abstract: A transducer for the creation of acoustic energy omni directionally in a horizontal plane. The transducer includes a base plate, the base plate supporting a centrally located voice coil motor assembly and a hemi-toroidal diaphragm having a proximal edge and a distal edge. The proximal edge is appended to the centrally located voice coil motor assembly and the distal edge is appended to the base plate.
    Type: Application
    Filed: January 9, 2012
    Publication date: November 8, 2012
    Inventors: J. CRAIG OXFORD, D. Michael Shielda