Patents Represented by Attorney Douglas L. Welker

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  • USB memory device
    Patent number: D656147
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: March 20, 2012
    Inventor: Karl Phillip Schlossstein
  • USB memory device
    Patent number: D656149
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: March 20, 2012
    Inventor: Karl Phillip Schlossstein