TREA

W. H. Ernest Hsu

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  • Orleans, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    I-beam joint
    • Patent number 5,267,425
    • Issue date Dec 7, 1993
    • Forintek Canada Corp.
    • Donald M. Onysko
    • E04 - BUILDING
  • Information Patent Grant

    Wooden structural member
    • Patent number 4,974,389
    • Issue date Dec 4, 1990
    • Nordel
    • Donald M. Onysko
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...