4. Coating processes
  5. Electrical product produced
  6. Integrated circuit, printed circuit, or circuit board

Erich Quadflieg

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Drill pipe coupling

Pipe joints or couplings – Particular interface – Tapered
Patent

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Drill rod coupling

Pipe joints or couplings – Particular interface – Tapered
Reexamination Certificate

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Method and apparatus for applying a metallic coating to threaded

Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent

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Pipe connector

Pipe joints or couplings – Particular interface – Tapered
Reexamination Certificate

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Pipe connector

Pipe joints or couplings – Particular interface – Tapered
Reexamination Certificate

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Profile ID: LFUS-PAI-P-266845

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