Patents Assigned to Portland Design Works
  • Bicycle headlight
    Patent number: D605790
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: December 8, 2009
    Assignee: Portland Design Works
    Inventor: Chan Hsing-Tsun
  • Bicycle tail light
    Patent number: D605791
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: December 8, 2009
    Assignee: Portland Design Works
    Inventor: Lars Huschke
  • Bicycle tail light
    Patent number: D631995
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: February 1, 2011
    Assignee: Portland Design Works, LLC
    Inventor: Lars Huschke
  • Bicycle light
    Patent number: D678562
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: March 19, 2013
    Assignee: Portland Design Works LLC
    Inventor: Hsing-Tsun Chan
  • Bicycle light
    Patent number: D757968
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: May 31, 2016
    Assignee: Portland Design Works LLC
    Inventor: Erik Olson