4. Record receiver having plural interactive leaves or a colorless
  5. Having a colorless color-former, developer therefor, or...
  6. Method of use, kit, or combined with marking instrument or...

William J. Castle

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Method of transparentizing a cellulose substrate

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

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Multicolor printing system

Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Method of use – kit – or combined with marking instrument or...
Patent

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Optically variable and machine-readable device for use on securi

Printed matter – Having revealable concealed information – fraud preventer or... – Utilizing electromagnetic radiation
Patent

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Profile ID: LFUS-PAI-P-906345

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