Patents by Inventor Larry Bertelsem

Larry Bertelsem 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).

  • Publication number: 20080066285
    Abstract: An apparatus for manufacturing structures having a continuous sidewall includes a stationary inner work station having at least one working level and a stationary outer work station having at least one working level. The outer work station surrounds the inner work station. A shaft is disposed between the inner work station and the outer work. A lift or hoist is provided for raising and lowering a work piece in the shaft as work progresses.
    Type: Application
    Filed: September 14, 2007
    Publication date: March 20, 2008
    Inventors: Larry Bertelsem, Alan Kingsley, Richard Roen