TREA

John David Crisco

Follow

Person

  • Ellicott City, MD, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Audio system
    • Patent number D637994
    • Issue date May 17, 2011
    • Polk Audio, Inc.
    • Ken Sakamaki Chae
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Audio system
    • Patent number D538767
    • Issue date Mar 20, 2007
    • Britannia Investment Corporation
    • Ken Sakamaki Chae
    • D14 - Recording, communication, or information retrieval equipment