4. Metal working
  5. Method of mechanical manufacture
  6. Structural member making

Lee A. Sparks

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Joist assembly and chord for use in such joist assembly

Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Side-by-side terminus shafts; e.g. – truss
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Method of forming a joist assembly and a chord used in such...

Metal working – Method of mechanical manufacture – Structural member making
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2829176

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