Douglas F. Wolff

Person

  • Marshall, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Remote selector unit for jukeboxes

    • Patent number D332096
    • Issue date Dec 29, 1992
    • Rowe International, Inc.
    • Douglas F. Wolff
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Jukebox for compact disks

    • Patent number D312639
    • Issue date Dec 4, 1990
    • Rowe International, Inc.
    • Merrill Krakauer
    • D14 - Recording, communication, or information retrieval equipment