Patents by Inventor Steven Wade Calvert

Steven Wade Calvert 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).

  • Noise-attenuating shielding unit and method for loudspeakers
    Patent number: 5942734
    Abstract: A noise-attenuating shielding unit and method for a speaker according to which a shield is formed by a housing of a noise-attenuating material having a metal plate attached thereto. The housing is located over at least a portion of the speaker and relative to the speaker so that the plate is magnetically attracted to the magnet of the speaker to secure the shielding unit to the speaker.
    Type: Grant
    Filed: August 6, 1998
    Date of Patent: August 24, 1999
    Assignee: Dresser Industries, Inc.
    Inventors: Steven Wade Calvert, Reynold Li Liao