Patents by Inventor Theodore Roy Dimitroff

Theodore Roy Dimitroff 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).

  • Method and apparatus for forming bored hole
    Patent number: 7389829
    Abstract: A method and apparatus for creating a reamed hole below the surface are disclosed. The reaming apparatus is arranged to be connected to one or more boring stems and has an interior section and an exterior section. The interior section is rotatable independently of the exterior section. Reamed holes of various cross-sections can be produced by appropriate selection of the cross-section of the exterior section.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: June 24, 2008
    Inventor: Theodore Roy Dimitroff