Patents by Inventor Matt Sang Chul Lee

Matt Sang Chul Lee 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).

  • Vacuum cleaner
    Patent number: D682495
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: May 14, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Haejin Kim, Matt Sang Chul Lee, Sangmin Hyun, Younhwa Lee