Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Security document with security marking formed of transparent windows

Security document with security marking formed of transparent windows

US Patent 6505779 · Granted Jan 14, 2003

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Manufacturing a two-sided product with an integrated device including microscale2025
Banknote and a method of producing a plurality of banknotes and a print press fo2025
Banknote2024
Security document including an optical security feature2022
Optical security device and method of manufacture2022
Micro-imagery design integration2022
Method of producing micro-image elements on a substrate2021
Combination microlens optical device2021
Micro-optic device with double sided optical effect2021
Micro-optic device with double sided optical effect2020
In line manufacturing of documents with security elements2020
High refractive index coatings and their use in the protection of surface relief2019