TREA

Bor-Chang Juang

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  • Tai-Ping Hsiang, Taichung Hsien, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill jig for locating holes to be drilled in a workpiece
    • Patent number 5,590,986
    • Issue date Jan 7, 1997
    • Bor-Chang Juang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit guiding device
    • Patent number 5,466,098
    • Issue date Nov 14, 1995
    • Bor-Chang Juang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill guiding device
    • Patent number 5,409,329
    • Issue date Apr 25, 1995
    • Bor-Chang Juang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit guiding device
    • Patent number 5,308,199
    • Issue date May 3, 1994
    • Bor-Chang Juang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR