TREA

Bert Poort

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  • Covina, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum vice for bowling balls
    • Patent number 5,634,749
    • Issue date Jun 3, 1997
    • Liem; Jerry
    • David Edis
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Vacuum vice for bowling balls and method
    • Patent number 5,607,268
    • Issue date Mar 4, 1997
    • Liem; Jerry
    • David Edis
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Vacuum vice for bowling balls
    • Patent number 5,409,334
    • Issue date Apr 25, 1995
    • Edis; David
    • David Edis
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS