4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Having separate expander means
  6. With hole forming means

Erich Wisser

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Concrete anchor bolt

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Including settable material – Injected after fastener placement
Reexamination Certificate

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Drive-in dowel

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – With hole forming means
Patent

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Drive-in dowel

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – With hole forming means
Patent

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Percussion borer for forming bores in stone material

Boring or penetrating the earth – Bit or bit element – Bit with leading portion forming smaller diameter initial bore
Reexamination Certificate

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Setting tool for self-cutting undercut anchors

Tools – Bolt holders
Patent

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Profile ID: LFUS-PAI-P-160494

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