Patents by Inventor Keith Alan Hirshburg

Keith Alan Hirshburg 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: D924597
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: July 13, 2021
    Assignee: Professional Tool Products LLC
    Inventor: Keith Alan Hirshburg
  • Patent number: D955147
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: June 21, 2022
    Assignee: Professional Tool Products LLC
    Inventor: Keith Alan Hirshburg