4. Pipe joints or couplings
  5. With assembly means or feature
  6. Thread-cutting means

William E. Fritsche

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Piston overtravel indicator

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Tapered joint thread system

Pipe joints or couplings – With assembly means or feature – Thread-cutting means
Patent

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Profile ID: LFUS-PAI-P-988478

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