Patents by Inventor Ming Kwok

Ming Kwok 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).

  • Solar-driven eternity clock
    Patent number: 6288979
    Abstract: An electronic eternity clock is powered by solar cells. The LCD segment display is shut down during the night by the use of a sensing circuit utilizing sampling pulses from an associated microcontroller which turns a transistor on and off which is connected to a floating ground between the solar cell and an isolating diode, both series connected across the rechargeable battery.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: September 11, 2001
    Assignee: Moneray International Ltd.
    Inventor: Joseph Tak Ming Kwok
  • Desk organizer
    Patent number: D407753
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: April 6, 1999
    Assignee: P.M.P Industrial Ltd.
    Inventor: Tat Ming Kwok
  • Desk organizer
    Patent number: D428624
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: July 25, 2000
    Assignee: P.M.P. Industrial Ltd.
    Inventor: Tat Ming Kwok