Patents by Inventor Andrew P. Cho

Andrew P. Cho 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 audio device
    Patent number: D674371
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: January 15, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Andrew P. Cho, J. Alan Weir, Paul Hatch, Carl Cepress, Hyung Seok Lee, Howard Cheng