4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Headed fastener element with nut, washer, securing means or cap
  6. Headed bolt or screw with threads and complementary nut

Frank R. England

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Expansion plug and tool

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

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Gas service tee

Fluid handling – Systems – Multiple inlet with single outlet
Patent

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Tamper proof service bolt

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed bolt or screw with threads and complementary nut
Patent

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Tamper proof valve

Valves and valve actuation – With means for blocking or disabling actuator – Released by non-valving actuator motion
Patent

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Profile ID: LFUS-PAI-P-1170563

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