4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Rigid jaws

Alexander Cerny

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Safety screw

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Penetrating pin securing means
Patent

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Splitting apparatus and method

Mining or in situ disintegration of hard material – Processes – Directly applying heat or vibration
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System to install a vandal-resistant screw

Tools – Wrench – screwdriver – or driver therefor – Rigid jaws
Patent

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Trap for sharks

Fishing – trapping – and vermin destroying – Fishing – Spreaders or separators for plural lines and/or hooks
Patent

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Profile ID: LFUS-PAI-P-326605

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