Patents by Inventor Steven Sham

Steven Sham 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).

  • Flashlight
    Patent number: D580077
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: November 4, 2008
    Assignee: Lumilite International Ltd.
    Inventor: Steven Sham
  • Flashlight
    Patent number: D584842
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: January 13, 2009
    Assignee: Lumilite International Ltd
    Inventor: Steven Sham
  • Worklight
    Patent number: D663454
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: July 10, 2012
    Assignee: Lumilite International Ltd
    Inventor: Steven Sham