4. Plastic and nonmetallic article shaping or treating: processes
  5. Pore forming in situ
  6. Composite article making

David P. Zettel

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Polymer foam plank with densified skin, method and apparatus...

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Reexamination Certificate

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Polymer foam plank with densified skin, method and apparatus...

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2712338

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