Patents by Inventor Dave Krebiehl

Dave Krebiehl 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).

  • 2 rail to 3 rail conversion apparatus for use in model trains
    Patent number: 6662917
    Abstract: A model train capable of operating on either a two rail system or a three rail system, the model train including: an electrical device having a first power terminal and a second power terminal; a first wheel assembly for engaging a first rail; a second wheel assembly for engaging a second rail; a pickup member for engaging a third rail; and a switch member coupled between the motor, the first wheel assembly, the second wheel assembly and the pickup member, the switch operable in a first state and a second state, wherein in the first state the switch couples the pickup member to the first power terminal, and couples the first wheel assembly and the second wheel assembly to the second power terminal, and in the second state the switch couples the first wheel assembly to the first power terminal and couples the second wheel assembly to the second power terminal.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: December 16, 2003
    Assignee: Mike's Train House, Inc.
    Inventors: Mike Wolf, Dave Krebiehl