4. Winding, tensioning, or guiding
  5. Helical or random winding of material
  6. Including particular material to spool connection

Dupont Toray Co. Ltd.

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Coalesced multifilament spandex and method for its preparation

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate

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Elastic yarn winder and method for using same

Winding – tensioning – or guiding – Helical or random winding of material – Including particular material to spool connection
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Method for heat-setting spandex-containing garments

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
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Process of making polyurethane fiber

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
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Stable polyurethaneurea solutions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
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