4. Plastic and nonmetallic article shaping or treating: processes
  5. With printing or coating of workpiece
  6. Coating or impregnating workpiece before molding or shaping...

Evan H. Cheolas

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Polyisocyanurate compositions and composites

Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating or impregnating workpiece before molding or shaping...
Reexamination Certificate

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Polyisocyanurate compositions and composites

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate

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Pultrusion systems and process

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate

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