Patents by Inventor Lawrence Alan Simpson

Lawrence Alan Simpson 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).

  • Sound emitting device
    Patent number: D847373
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: April 30, 2019
    Assignee: MARPAC, LLC
    Inventors: Jessica Hurwit, Lawrence Alan Simpson, Donald Strum, Edith Wine