TREA

Pat Keegan

Follow

Person

  • Van Nuys, CA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Modulated sound reading system
    • Patent number 4,085,296
    • Issue date Apr 18, 1978
    • International Audio Visual, Inc.
    • Pat Keegan
    • G11 - INFORMATION STORAGE