4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Washer structure
  6. Sealing

Dave C. Hempfling

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Fastener driving tool having improved bearing and fastener...

Elongated-member-driving apparatus – With means to move or guide member into driving position – With means to assure correct orientation of member
Reexamination Certificate

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Fastener system including a fastener and a cap

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Cap over the head
Reexamination Certificate

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Protective seam plate

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Washer structure – Sealing
Patent

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Stress plate with angled hole

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

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Wall anchor with improved drilling tip

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

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Profile ID: LFUS-PAI-P-122283

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