TREA

William Hsien-Kuang Wang

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  • Burlington, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making a double-ended heading punch
    • Patent number 4,148,233
    • Issue date Apr 10, 1979
    • Procor Limited
    • William H. Wang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Double-ended heading punch
    • Patent number 4,094,185
    • Issue date Jun 13, 1978
    • Procor Limited
    • William Hsien-Kuang Wang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...