Patents by Inventor TENG-SONG TSENG

TENG-SONG TSENG 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).

  • STRUCTURE OF EARPLUG
    Publication number: 20210029437
    Abstract: The present application is a structure of an earplug, which is arranged on an earphone. The structure of said earplug includes a casing and a shaft portion, the casing includes a first opening and a second opening. The earplug further including at least one through hole, the perforation communicating with the first opening.
    Type: Application
    Filed: November 4, 2019
    Publication date: January 28, 2021
    Inventor: TENG-SONG TSENG
  • Earplug
    Patent number: D962198
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: August 30, 2022
    Assignee: Toong In Electronic Corp.
    Inventor: Teng-Song Tseng