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

Alvar L. West

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Anchor bolt

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

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Self-drilling anchor bolt

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Comprising a head and expandable portions spread by fastener
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2121912

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