Patents by Inventor Ben Chin Pan Siu

Ben Chin Pan Siu 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).

  • Sparring weapon
    Publication number: 20040127292
    Abstract: A sparring weapon for realistic martial arts sparring includes a handle, a blade formed of and/or covered with impact-absorbing padding, and extending from the handle. An elongate cavity is located within the blade, and a weight is provided within the cavity to be repositioned therealong to thereby adjust balance and handling characteristics of the weapon.
    Type: Application
    Filed: December 26, 2002
    Publication date: July 1, 2004
    Applicant: LANCELOT YING CHIH CHAN
    Inventors: Lancelot Ying Chih Chan, Ben Chin Pan Siu, Ho Ming Chan