Patents by Inventor Byung Moon Song

Byung Moon Song 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).

  • MODEL RAILROAD TRACK SWITCHING SYSTEM
    Publication number: 20100072327
    Abstract: A model railroad track system including first, second and third portions of model railroad track, and a movable portion of track that is movable between a first and a second position. When the movable portion is in the first position the movable portion is configured to guide a model train from the first portion of track to the second portion of track when the train moves across the movable portion in a direction of travel. When the movable portion is in the second position the movable portion is configured to guide a train from the first portion of track to the third portion of track when the train moves across the movable portion generally in the direction of travel. The system further includes an actuator movable between first and second positions, and wherein the distance between the first and second positions of the actuator constitutes a stroke length.
    Type: Application
    Filed: September 24, 2008
    Publication date: March 25, 2010
    Applicant: POLK'S MODEL CRAFT HOBBIES, INC.
    Inventor: Byung Moon Song
  • Model locomotive gearbox housing
    Patent number: D437334
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: February 6, 2001
    Assignee: Polk's Model Craft Hobbies, Inc.
    Inventor: Byung Moon Song
  • Model locomotive smoke generator unit
    Patent number: D469132
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: January 21, 2003
    Assignee: Aristo-Craft/LMP, Inc.
    Inventor: Byung Moon Song