Patents by Inventor Ian Thomas Walters

Ian Thomas Walters 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).

  • Buttstock pre-adjustment block
    Patent number: 8397414
    Abstract: The invention presented here is an add-in part designed for the M4 and similar commercial AR-15 rifle variants or any other weapon using an adjustable multi position receiver extension based on the M4 pattern. Its purpose is to be installed in the longitudinal adjustment slot of the receiver extension tube limiting the buttstock's maximum extension travel to a preselected position.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: March 19, 2013
    Inventor: Ian Thomas Walters
  • Buttstock pre-adjustment block
    Publication number: 20110283584
    Abstract: The invention presented here is an add-in part designed for the M4 and similar commercial AR-15 rifle variants or any other weapon using an adjustable multi position receiver extension based on the M4 pattern. Its purpose is to be installed in the longitudinal adjustment slot of the receiver extension tube limiting the buttstock's maximum extension travel to a preselected position.
    Type: Application
    Filed: April 26, 2011
    Publication date: November 24, 2011
    Inventor: Ian Thomas Walters