Masterson Engineering Inc.

Organization

  • St. Louis Park, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Phonograph

    • Patent number D265085
    • Issue date Jun 22, 1982
    • Masterson Engineering Inc.
    • Earl E. Masterson
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Phonograph tone arm control system

    • Patent number 4,254,959
    • Issue date Mar 10, 1981
    • Masterson Engineering Inc.
    • Earl E. Masterson
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Phonograph tone arm system

    • Patent number 4,239,239
    • Issue date Dec 16, 1980
    • Masterson Engineering Inc.
    • Earl E. Masterson
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks