4. Printed matter
  5. Having revealable concealed information, fraud preventer or...
  6. Having watermark

Roland Isherwood

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High value documents

Printed matter – Having revealable concealed information – fraud preventer or... – Having watermark
Patent

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Making paper

Paper making and fiber liberation – Processes and products – Including solid non-waterlaid preform
Reexamination Certificate

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Methods of manufacturing substrates

Etching a substrate: processes – Forming or treating article containing a liquid crystal...
Reexamination Certificate

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Optically variable devices

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Security device based on customized microprism film

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1163718

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