TREA

Sigmund D. Travis

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  • Brookfield, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self ejecting drill chuck key
    • Patent number 4,085,943
    • Issue date Apr 25, 1978
    • C. R. Reichel Engineering Co. Inc.
    • Sigmund D. Travis
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS