4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Headed fastener element with nut, washer, securing means or cap

Eugene P. Schaeffer

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Boiler tube wearbar, stud and arc shield

Electric heating – Metal heating – For bonding with pressure
Patent

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Boiler tube wearbar, stud welder and arc shield

Electric heating – Metal heating – For bonding with pressure
Patent

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Insulation hanger with locking device

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

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Profile ID: LFUS-PAI-P-1011716

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