TREA

George K. Masuda

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  • Hamilton, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-drilling screw
    • Patent number 3,949,641
    • Issue date Apr 13, 1976
    • The Steel Company of Canada, Limited
    • George K. Masuda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...