Patents by Inventor Arnold D. Evans

Arnold D. Evans 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).

  • Loudspeaker cabinet having an integrally constructed horn
    Patent number: 3982607
    Abstract: An integrally formed cabinet for a loudspeaker having a preformed horn for dispersing acoustic energy with minimum distortion.
    Type: Grant
    Filed: January 28, 1975
    Date of Patent: September 28, 1976
    Inventor: Arnold D. Evans