Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Security document with nano-pattern

Security document with nano-pattern

US Patent 6692030 · Granted Feb 17, 2004

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Voter and voting official authenticatable ballot and method2025
Voter and voting official authenticatable ballot and method2024
Device and system for an optical element holder2012
Device and system for an optical element holder2010
Copy-resistant security paper2009
Security envelope detectable for foreign substances2004
Variable density verification2003
Variable density verification2002
Security papers with unique relief pattern2000
Chemically encoded security papers2000
Document security system having thermo-activated pantograph and validation mark1999
Visual validation mark for bank checks and other security documents1998