Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Device for authenticating a security document

Device for authenticating a security document

US Patent 6394358 · Granted May 28, 2002

Estimated economic value: $2,807,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Systems, methods, and apparatus for marking, verifying, and authenticating consu2015
Secure document with self-authenticating, encryptable font2005
Electronic coupon system and method of processing electronic coupon card for sto2004
Smart card with replaceable chip2003
Business form including smart card and smart card reader2002
Prismatic printing2001
Security document including subtle image and system and method for viewing the s2001
Security image element tiling scheme2001
Security document and authentication scheme2001
Security document and authentication scheme2001
Prismatic printing2001
Smart card with replaceable chip2001