Patents by Inventor Roy D. Straughn

Roy D. Straughn 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).

  • Patent number: 4509192
    Abstract: This speaker enclosure is ideal for public address systems. Primarily, it consists of a ceiling mounted panel, with a conical baffle secured to it, which is used to delay sound off of the back of the speaker, so as not to interfere with the sound from the front of the speaker. It further includes a wire screen, which is used to cut down microphone feedback.
    Type: Grant
    Filed: April 7, 1983
    Date of Patent: April 2, 1985
    Inventor: Roy D. Straughn