Featured patents

Method for Producing a Watermark Element, Watermark Element, and Also Applications
US 08673114 B2, March 18, 2014, Hendrik Van de Kamp et al. / Arjowiggins Security B.V. (Ugchelen, NL)
Method for producing a watermark element for forming a shadow watermark image…

Papermaking Mould for Producing Two-Stage Watermarks and Method for Producing the Same
US 08524039 B2, Sept. 3, 2013, Thomas Gerhardt et al. / Giesecke & Devrient GmbH (Munich, DE)
A method for producing a screen for papermaking of a bank note, check,…

Security Paper
US 08449719 B2, May 28, 2013, Pierre Doublet et al. / Arjowiggins Security (Paris, FR)
A security paper comprising:…

Sheet Material Comprising at Least One Watermark Having a Colored Shade
US 08852396 B2, Oct. 7, 2014, Ivan Thierry et al. / Arjowiggins Security (Paris, FR)
A sheet material, comprising:…

Patentorg has 4 documents under Watermarking Patents.

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