Patents by Inventor Steven P. Greenwell

Steven P. Greenwell 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).

  • Dock for media player
    Patent number: D588578
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: March 17, 2009
    Assignee: Griffin Technology, Inc.
    Inventors: Robert St. Clair Donovan, Steven P. Greenwell
  • Case for mobile phone
    Patent number: D628994
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: December 14, 2010
    Assignee: Griffin Technology, Inc.
    Inventors: Paul P. Griffin, Jr., Steven P Greenwell
  • Device stand
    Patent number: D637583
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: May 10, 2011
    Assignee: Griffin Technology, Inc.
    Inventors: Kenneth David Beal, George Campbell, Timothy Coble, Steven P. Greenwell, Stephen Woolverton