Patents by Inventor Stephen C. Tsai

Stephen C. Tsai 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).

  • Portable chiropractic adjustor
    Publication number: 20090270915
    Abstract: A portable battery power operated chiropractic adjustor, manipulator or thruster for applying an adjustment energy to a patient through a plunger having a resilient or cushioned head with the energy applied to the plunger being supplied by non-manual sources and the impulse is adjustable or tunable along with having annunciators or indicators for preload and readiness to operate. The power source may be an internal rechargeable battery or removable rechargeable battery pack and the adjustor is DC motor operated to impart selectively single or multiple thrusts.
    Type: Application
    Filed: July 24, 2008
    Publication date: October 29, 2009
    Inventors: Stephen C. Tsai, Arlan W. Fuhr
  • Portable chiropractic adjustor
    Patent number: D616558
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: May 25, 2010
    Assignee: Activator Methods International, Limited
    Inventors: Stephen C. Tsai, Arlan W. Fuhr