Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › System for retrospective identification and method of marking articles for retrospective identification

System for retrospective identification and method of marking articles for retrospective identification

US Patent 6309690 · Granted Oct 30, 2001

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Spectral signature systems that use encoded image data and encoded spectral sign2023
Spectral signature systems that use encoded image data and encoded spectral sign2023
Identification particles and system and method for retrospective identification 2006
Identification particles and system and method for retrospective identification 2006