TREA

William N. Anastos

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  • Belmont, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air bubble free compass and method of manufacturing same
    • Patent number 5,469,631
    • Issue date Nov 28, 1995
    • Rule Industries Inc.
    • James T. Burrill
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Multitone horn
    • Patent number 4,970,983
    • Issue date Nov 20, 1990
    • Rule Industries, Inc.
    • Kenneth J. LeBlanc
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Magnetic compass
    • Patent number 4,656,751
    • Issue date Apr 14, 1987
    • Rule Industries, Inc.
    • W. Gordon White
    • G01 - MEASURING TESTING