Patents by Inventor David Dingman

David Dingman 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).

  • Smart ladder
    Patent number: 12467315
    Abstract: A ladder including sensors, a controller, and output signals to alert the user to operating conditions and to aid the user in the safe operation of the ladder.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: November 11, 2025
    Assignee: USS Veteran Services Company LLC
    Inventors: Clifford L Johns, Steven W Brewer, David Dingman
  • Smart Ladder
    Publication number: 20220065043
    Abstract: A ladder including sensors, a controller, and output signals to alert the user to operating conditions and to aid the user in the safe operation of the ladder.
    Type: Application
    Filed: August 17, 2021
    Publication date: March 3, 2022
    Applicant: USS Veteran Services Company LLC
    Inventors: Clifford L. Johns, Steven W. Brewer, David Dingman