Patents by Inventor Peter Tai Kwong Cheung

Peter Tai Kwong Cheung 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 battery charger
    Patent number: D506724
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: June 28, 2005
    Assignee: Xantrex International
    Inventors: Marius George Hriscu, Timothy Donald Attridge, Tony Ziccardi, Lawrence C. Neill, Neena Rahemtulla, Alexander Jeffrey Feldman, Matthew Sean Kuzminski, Robbie Gordon Roberts, John Hung, Peter Tai Kwong Cheung
  • Portable battery jumper/charger
    Patent number: D511491
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: November 15, 2005
    Assignee: Xantrex International
    Inventors: Marius George Hriscu, Timothy Donald Attridge, Tony Ziccardi, Lawrence C. Neill, Neena Rahemtulla, Alexander Jeffrey Feldman, Matthew Sean Kuzminski, Robbie Gordon Roberts, John Hung, Peter Tai Kwong Cheung
  • Compact battery charger
    Patent number: D511743
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: November 22, 2005
    Assignee: Xantrex International
    Inventors: Marius George Hriscu, Timothy Donald Attridge, Tony Ziccardi, Lawrence C. Neill, Alexander Jeffrey Feldman, Matthew Sean Kuzminski, Robbie Gordon Roberts, John Hung, Peter Tai Kwong Cheung
  • Portable backup power supply
    Patent number: D542221
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: May 8, 2007
    Assignee: Xantrex International
    Inventors: Marius George Hriscu, Peter Tai Kwong Cheung, Grant Iverson Dunbar, Alexander Jeffrey Feldman, Lawrence Neill, Robert Bruce Prior, Robbie Gordon Roberts, David deRoy Vanzuydewyn
  • Mobile power source
    Patent number: D554584
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: November 6, 2007
    Assignee: Xantrex International
    Inventors: Alexander Jeffrey Feldman, Robbie Gordon Roberts, Grant Iverson Dunbar, Robert Bruce Prior, Peter Tai Kwong Cheung
  • Portable backup power device
    Patent number: D579870
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: November 4, 2008
    Assignee: Xantrex International
    Inventors: Grant Iverson Dunbar, Robert Bruce Prior, Peter Tai Kwong Cheung
  • Universal portable-device charger
    Patent number: D580354
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: November 11, 2008
    Assignee: Xantrex International
    Inventors: Grant Iverson Dunbar, Robert Bruce Prior, Peter Tai Kwong Cheung, Alexander Jeffrey Feldman, Robbie Gordon Roberts