Paper based on a fiber composition and having at least one multitone-effect watermark. When observed in transmitted light, the watermark has a set of pale zones arranged in the manner of a screened image.

 
Web www.patentalert.com

< Synchronizing a distributed mirror

< Method for enabling collaborative document markup between participants

> Software interaction via interface surface and sensing device

> Method and system for path protection in a communications network

~ 00235