Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Security element for security paper

Security element for security paper

US Patent 6199911 · Granted Mar 13, 2001

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Security substrate comprising a magnetic layer and opaque and non-opaque regions2016
Security substrate comprising watermark2012
Optically variable devices2011
Security device based on customized microprism film2011
Optically variable devices2010
Security thread2010
Security device2009
Methods of manufacturing substrates2007
Making paper2003
High value documents1997
Security device and authenticatable item1995
Numbered documents1992