4. Coating processes
  5. Transfer or copy sheet making

Harry A. Seifert

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Heat-transferable security stamp

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate

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Process for the formation of a heat-transferable security...

Coating processes – Transfer or copy sheet making
Reexamination Certificate

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Simulated security thread by cellulose transparentization

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2514824

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