Patents by Inventor Tae Sang Chung

Tae Sang Chung 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 for manufacturing toothbrush and toothbrush manufactured by the method
    Patent number: 8308246
    Abstract: A method of producing a bundle of bristles is provided and includes collecting a plurality of bristles substantially close together and fusing and subsequently hardening ends of the collected bristles to each other by cutting to thereby fuse the ends of the collected bristles using a heated cutter to thus produce a bundle of bristles.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: November 13, 2012
    Inventor: Tae Sang Chung
  • METHOD FOR MANUFACTURING TOOTHBRUSH AND TOOTHBRUSH MANUFACTURED BY THE METHOD
    Publication number: 20110225758
    Abstract: A method of producing a bundle of bristles is provided and includes collecting a plurality of bristles substantially close together and fusing and subsequently hardening ends of the collected bristles to each other by cutting to thereby fuse the ends of the collected bristles using a heated cutter to thus produce a bundle of bristles.
    Type: Application
    Filed: March 19, 2010
    Publication date: September 22, 2011
    Inventor: Tae Sang CHUNG