Patents by Inventor David Ming-Lun Ma

David Ming-Lun Ma 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).

  • Personal digital assistant
    Patent number: D615085
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: May 4, 2010
    Inventors: David Ming-Lun Ma, Stephen Bayley, Benjamin Cullen, Chris Jakob, Jim Fullalove, Martin Riddiford