Patents by Inventor Allan Copeland

Allan Copeland 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).

  • Narrow opening electroacoustical transducing
    Publication number: 20050259841
    Abstract: A loudspeaker system having an enclosure having a narrow opening or slot for radiating high frequency acoustic energy. The loudspeaker system has a cover member defining a slot between the cover member and a boundary of a listening space. The loudspeaker system may also include a fixed or adaptive equalizer for modifying frequency response anomalies resulting from the interaction of the acoustic energy, the narrow opening, and the boundary.
    Type: Application
    Filed: March 31, 2003
    Publication date: November 24, 2005
    Inventors: Gerald Caron, George Chute, Allan Copeland, Eric Freeman, Doug Kramer
  • Powerline communications device
    Patent number: D532000
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: November 14, 2006
    Assignee: Leviton Manufacturing Co., Inc.
    Inventors: Jack K. Merrow, Aaron Klein, Christopher Montalbano, David P. Eckel, Allan Copeland
  • Powerline communications device
    Patent number: D540315
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: April 10, 2007
    Assignee: Leviton Manufacturing Co., Inc.
    Inventors: Jack K. Merrow, Aaron Klein, Christopher Montalbano, David P. Eckel, Allan Copeland