Patents by Inventor Mark H. Powell

Mark H. Powell 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).

  • Patent number: 7012542
    Abstract: A multicolor function indicator light system is provided for an audio amplifier or similar electronic equipment. A sensor circuit monitors operation of the equipment. An indicator light device has a plurality of different color outputs. A control logic circuit receives input signals from the sensor and controls the indicator light device so that different sensed modes of operation of the electronic equipment are indicated by different color outputs of the indicator light device.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: March 14, 2006
    Assignee: Gibson Guitar Corp.
    Inventors: Mark H. Powell, David W. Seaton, Eric Mendenhall
  • Patent number: 6935709
    Abstract: A housing for an electronic apparatus capable of being mounted in a rack by a rack ear is presented, the housing including an upper housing portion having a top and left and right sides, wherein each of the sides of the upper housing portion has an upper groove portion defined therein, the upper groove portion formed by a indentation formed in each of the sides; a lower housing portion having a bottom and left and right sides, wherein each of the sides of the lower housing portion has a lower groove portion defined therein, the lower groove portion formed by a indentation formed in each of the sides, wherein the upper housing portion and the lower housing portion cooperate to form the housing, and further wherein, when the upper housing portion and the lower housing portion are combined to form the housing, the upper groove portion and the lower groove portion combine to form a track groove shaped to receive a rack mounting ear are formed on the left and right sides of the housing.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: August 30, 2005
    Assignee: Gibson Guitar Corp.
    Inventors: Mark H. Powell, Etienne H. Iliffe-Moon, David Wathen
  • Patent number: 6910548
    Abstract: A housing for a loudspeaker is presented, and which includes a plurality of corner units, each of the corner units having a first end and a second end and also has a first inner spline extending therefrom and a second inner spline extending therefrom; and a first outer spline extending therefrom and running generally parallel to the first inner spline and a second outer spline extending therefrom and running generally parallel to the second inner spline, wherein the first inner spline and the first outer spline cooperate to form a first slot sized to receive a top panel or a bottom panel and the second inner spline and the second outer spline cooperate to form a second slot sized to receive a side panel.
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: June 28, 2005
    Assignee: Gibson Guitar Corp.
    Inventor: Mark H. Powell
  • Patent number: 6853553
    Abstract: A heat dissipation system for an audio amplifier is presented, including a housing having a plurality of apertures therein; at least one completely enclosed air tunnels, each air tunnel extending between one of the apertures in the housing and another of the apertures in the housing, each air tunnel at least partially defined by a pair of opposed heat sinks mounted within the housing.
    Type: Grant
    Filed: April 1, 2003
    Date of Patent: February 8, 2005
    Assignee: Gibson Guitar Corp.
    Inventors: David W. Seaton, Mark H. Powell, Jason R. Taylor, Eric Mendenhall
  • Publication number: 20040070513
    Abstract: A multicolor function indicator light system is provided for an audio amplifier or similar electronic equipment. A sensor circuit monitors operation of the equipment. An indicator light device has a plurality of different color outputs.
    Type: Application
    Filed: April 4, 2003
    Publication date: April 15, 2004
    Inventors: Mark H. Powell, David W. Seaton, Eric Mendenhall
  • Publication number: 20040036563
    Abstract: A heat dissipation system for an audio amplifier is presented, including a housing having a plurality of apertures therein; at least one completely enclosed air tunnels, each air tunnel extending between one of the apertures in the housing and another of the apertures in the housing, each air tunnel at least partially defined by a pair of opposed heat sinks mounted within the housing.
    Type: Application
    Filed: April 1, 2003
    Publication date: February 26, 2004
    Inventors: David W. Seaton, Mark H. Powell, Jason R. Taylor, Eric Mendenhall
  • Publication number: 20030213642
    Abstract: A housing for a loudspeaker is presented, and which includes a plurality of corner units, each of the corner units having a first end and a second end and also has a first inner spline extending therefrom and a second inner spline extending therefrom; and a first outer spline extending therefrom and running generally parallel to the first inner spline and a second outer spline extending therefrom and running generally parallel to the second inner spline, wherein the first inner spline and the first outer spline cooperate to form a first slot sized to receive a top panel or a bottom panel and the second inner spline and the second outer spline cooperate to form a second slot sized to receive a side panel.
    Type: Application
    Filed: March 31, 2003
    Publication date: November 20, 2003
    Inventor: Mark H. Powell
  • Publication number: 20030210530
    Abstract: A housing for an electronic apparatus capable of being mounted in a rack by a rack ear is presented, the housing including an upper housing portion having a top and left and right sides, wherein each of the sides of the upper housing portion has an upper groove portion defined therein, the upper groove portion formed by a indentation formed in each of the sides; a lower housing portion having a bottom and left and right sides, wherein each of the sides of the lower housing portion has a lower groove portion defined therein, the lower groove portion formed by a indentation formed in each of the sides, wherein the upper housing portion and the lower housing portion cooperate to form the housing, and further wherein, when the upper housing portion and the lower housing portion are combined to form the housing, the upper groove portion and the lower groove portion combine to form a track groove shaped to receive a rack mounting ear are formed on the left and right sides of the housing.
    Type: Application
    Filed: March 31, 2003
    Publication date: November 13, 2003
    Inventors: Mark H. Powell, Etienne H. Iliffe-Moon, David Wathen
  • Patent number: D473212
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: April 15, 2003
    Assignee: Gibson Guitar Corp.
    Inventors: Timothy M. Nugent, Christopher W. Glupker, Lance G. Hussey, Ravi K. Sawhney, Mun P. Lui, Craig R. Steele, Kurt G. Botsai, Mark H. Powell
  • Patent number: D473536
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: April 22, 2003
    Assignee: Gibson Guitar Corp.
    Inventors: Mark H. Powell, Etienne H. Iliffe-Moon, Saro Nalbandian, Daniel W. Ashcraft, David Wathen
  • Patent number: D473538
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: April 22, 2003
    Assignee: Gibson Guitar Corp.
    Inventors: Mark H. Powell, Etienne H. Iliffe-Moon, Saro Nalbandian, Daniel W. Ashcraft, David Wathen
  • Patent number: D473542
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: April 22, 2003
    Assignee: Gibson Guitar Corp.
    Inventors: Mark H. Powell, Etienne H. Iliffe-Moon, Saro Nalbandian, Daniel W. Ashcraft, David Wathen
  • Patent number: D473543
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: April 22, 2003
    Assignee: Gibson Guitar Corp.
    Inventors: Mark H. Powell, Etienne H. Iliffe-Moon, Saro Nalbandian, Daniel W. Ashcraft, David Wathen
  • Patent number: D473544
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: April 22, 2003
    Assignee: Gibson Guitar Corp.
    Inventor: Mark H. Powell
  • Patent number: D473551
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: April 22, 2003
    Assignee: Gibson Guitar Corp.
    Inventors: Mark H. Powell, Jason R. Taylor
  • Patent number: D473552
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: April 22, 2003
    Assignee: Gibson Guitar Corp.
    Inventors: Mark H. Powell, Jason R. Taylor
  • Patent number: D473553
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: April 22, 2003
    Assignee: Gibson Guitar Corp.
    Inventors: Mark H. Powell, Etienne H. Iliffe-Moon, Saro Nalbandian, Daniel W. Ashcraft, David Wathen
  • Patent number: D473854
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: April 29, 2003
    Assignee: Gibson Guitar Corp.
    Inventors: Mark H. Powell, Etienne H. Iliffe-Moon, Saro Nalbandian, Daniel W. Ashcraft, David Wathen
  • Patent number: D487906
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: March 30, 2004
    Assignee: Belkin Corporation
    Inventors: Mark H. Powell, James J. Choe
  • Patent number: D587771
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: March 3, 2009
    Assignee: Roger Cleveland Golf Co., Inc.
    Inventors: Jimmy H. Kuan, Mark H. Powell