Patents by Inventor Myrna Lefke Lewis

Myrna Lefke Lewis 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).

  • Speaker with amplifier
    Patent number: D895566
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: September 8, 2020
    Assignee: Biamp Systems, LLC
    Inventors: Douglas Laube, Myrna Lefke Lewis
  • Tear drop pendant speaker
    Patent number: D914638
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: March 30, 2021
    Assignee: Biamp Systems, LLC
    Inventors: Douglas Laube, Myrna Lefke Lewis