4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Having work engaging and force exerting portion inserted...

Ho-Tien Chen

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Bit holder

Chucks or sockets – Accessory or component – Adapter
Reexamination Certificate

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Bit holder

Chucks or sockets – Socket type – Radially reciprocating jaws
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Screw band with washers

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Washer structure – Including means for retaining washer to fastener
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Screw locking tool

Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
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Tapping screw

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc.
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2254867

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