Patents by Inventor Sang-Bae Sim

Sang-Bae Sim 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).

  • Bowling ball resurfacing apparatus
    Patent number: 7063607
    Abstract: A bowling ball resurfacing apparatus comprises a housing, first and second vertical support rollers mounted to the housing for rotation about parallel vertical axes, each of the vertical support rollers adapted to make contact with the surface of the bowling ball at one lateral bottom side of the bowling ball, first and second horizontal support rollers mounted to the housing for supporting the bowling ball in cooperation with the vertical support rollers, each of the horizontal support rollers rotatable about horizontal axes and adapted to make contact with the surface of the bowling ball at the other lateral bottom side of the bowling ball, drive motors for causing the support rollers to rotate, and a grinding-and-polishing wheel assembly for making frictional contact with the surface of the bowling ball to grind or polish the bowling ball.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: June 20, 2006
    Inventor: Sang-Bae Sim
  • BOWLING BALL RESURFACING APPARATUS
    Publication number: 20060111029
    Abstract: A bowling ball resurfacing apparatus comprises a housing, first and second vertical support rollers mounted to the housing for rotation about parallel vertical axes, each of the vertical support rollers adapted to make contact with the surface of the bowling ball at one lateral bottom side of the bowling ball, first and second horizontal support rollers mounted to the housing for supporting the bowling ball in cooperation with the vertical support rollers, each of the horizontal support rollers rotatable about horizontal axes and adapted to make contact with the surface of the bowling ball at the other lateral bottom side of the bowling ball, drive motors for causing the support rollers to rotate, and a grinding-and-polishing wheel assembly for making frictional contact with the surface of the bowling ball to grind or polish the bowling ball.
    Type: Application
    Filed: June 26, 2003
    Publication date: May 25, 2006
    Inventor: Sang-Bae Sim