Patents by Inventor David P. Townsend

David P. Townsend 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).

  • Publication number: 20090121679
    Abstract: Disclosed is an apparatus for supplying power to a portable electronic device. The apparatus comprises a power adapter, a replaceable lens, and a detachable module. The power adapter is coupled to a power source and is capable of receiving power from the power source. The replaceable lens is removably secured to the power adapter. Further, the detachable module is coupled to the power adapter and is capable of supporting the replaceable lens, when the replaceable lens is secured to the power adapter.
    Type: Application
    Filed: November 12, 2007
    Publication date: May 14, 2009
    Applicant: MOTOROLA, INC.
    Inventors: Matthew D. Thomas, Grant H. Lloyd, David P. Townsend
  • Patent number: D534901
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: January 9, 2007
    Assignee: Motorola, Inc.
    Inventors: Jeong J. Ma, Thomas E. Gitzinger, David P. Townsend
  • Patent number: D538793
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: March 20, 2007
    Assignee: Motorola, Inc.
    Inventors: Jeong J. Ma, Thomas E. Gitzinger, David P. Townsend
  • Patent number: D570773
    Type: Grant
    Filed: November 12, 2007
    Date of Patent: June 10, 2008
    Assignee: Motorola, Inc.
    Inventors: Grant H. Lloyd, David P. Townsend
  • Patent number: D489058
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: April 27, 2004
    Assignee: Motorola, Inc.
    Inventors: Jeong Ma, Matthew B. Ansley, David P. Townsend
  • Patent number: D494157
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: August 10, 2004
    Assignee: Motorola Inc.
    Inventors: Harold L. Wikel, David P. Townsend
  • Patent number: D496653
    Type: Grant
    Filed: August 18, 2003
    Date of Patent: September 28, 2004
    Assignee: Motorola, Inc.
    Inventors: David P. Townsend, Daniel T. Berg, Claudio Santiago Ribeiro
  • Patent number: D597522
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: August 4, 2009
    Assignee: Motorola, Inc.
    Inventors: David P. Townsend, Paul M. Pierce
  • Patent number: D602906
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: October 27, 2009
    Assignee: Motorola, Inc.
    Inventors: William R Groves, Michael A Minneci, David P Townsend
  • Patent number: D610567
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: February 23, 2010
    Assignee: Motorola, Inc.
    Inventor: David P. Townsend
  • Patent number: D616409
    Type: Grant
    Filed: January 7, 2008
    Date of Patent: May 25, 2010
    Assignee: Motorola, Inc.
    Inventors: David P. Townsend, Paul M. Pierce
  • Patent number: D617771
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: June 15, 2010
    Assignee: Motorola, Inc.
    Inventors: William R. Groves, Michael A. Minneci, David P. Townsend
  • Patent number: D343619
    Type: Grant
    Filed: October 15, 1992
    Date of Patent: January 25, 1994
    Assignee: Motorola, Inc.
    Inventors: David P. Townsend, Robert Kurcbart, Scott L. Dill
  • Patent number: D352035
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: November 1, 1994
    Assignee: Motorola, Inc.
    Inventors: David P. Townsend, William J. Scheid
  • Patent number: D356086
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: March 7, 1995
    Assignee: Motorola, Inc.
    Inventors: David P. Townsend, Robert Kurcbart, Eugene R. Fay
  • Patent number: D357252
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: April 11, 1995
    Assignee: Motorola, Inc.
    Inventors: William J. Scheid, David P. Townsend
  • Patent number: D364163
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: November 14, 1995
    Assignee: Motorola, Inc.
    Inventors: William J. Scheid, David P. Townsend
  • Patent number: D652017
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: January 10, 2012
    Assignee: Motorola Mobility, Inc.
    Inventors: William R Groves, Michael A Minneci, David P. Townsend