Patents by Inventor Larry Ta

Larry Ta 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).

  • Jeweler's hammer bit
    Patent number: 4976033
    Abstract: The invention diamond-tipped bit that is used with a jeweler's hammer. The bit has a shaft portion that has formed on one end a threaded portion for screwing the bit into the threaded receiving portion of a jeweler's hammer. On the other end of the shaft is formed a bore. A diamond is placed within the bore so that the rear flat portion of the diamond is flush against the rear surface of the bore. The annular rim of the bore is circumferentially pressure-folded back into the diamond, leaving the working portion of the diamond protruding from the shaft and the folded rim.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: December 11, 1990
    Inventors: Meang Chia, Larry Ta