Patents by Inventor James Demer

James Demer 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).

  • Waterproof speaker system
    Patent number: 10979804
    Abstract: The waterproof and dustproof speaker system includes a base with four base sides defining a base internal space. The base internal space can accommodate various items. A passive acoustical radiator is mounted in two opposing sides. A lid is hinged to the base and includes lid sides defining a lid internal space and two speakers mounted in the lid. The lid also accommodates electronics for receiving audio program signals and driving the speakers. When the lid is closed onto the base, the internal space is sealed against the intrusion of water and dust. The waterproof speaker system is weighted and balanced so that waterproof speaker system floats upright in water with the lid uppermost.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: April 13, 2021
    Assignee: Southern Ground Artist, Inc.
    Inventors: James Demer, Jayson Lobozzo, Robb McCollough
  • Waterproof Speaker System
    Publication number: 20200275198
    Abstract: The waterproof and dustproof speaker system includes a base with four base sides defining a base internal space. The base internal space can accommodate various items. A passive acoustical radiator is mounted in two opposing sides. A lid is hinged to the base and includes lid sides defining a lid internal space and two speakers mounted in the lid. The lid also accommodates electronics for receiving audio program signals and driving the speakers. When the lid is closed onto the base, the internal space is sealed against the intrusion of water and dust. The waterproof speaker system is weighted and balanced so that waterproof speaker system floats upright in water with the lid uppermost.
    Type: Application
    Filed: February 24, 2020
    Publication date: August 27, 2020
    Inventors: James Demer, Jayson Lobozzo, Robb McCollough
  • Carrying case with speakers
    Patent number: D989028
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: June 13, 2023
    Assignee: Southern Ground Audio, LLC
    Inventors: James Demer, Jayson Lobozzo, Robb McCollough