Thomas De La Rue Limited
Patent Applications and Registrations
Patent applications and USPTO patent grants for Thomas De La Rue Limited.The latest application filed is for "security device for security documents such as bank notes and credit cards".
- Thomas De La Rue Limited - London GB
- Thomas De La Rue Limited - GB GB
| Patent | Date |
|---|---|
| Security device for security documents such as bank notes and credit cards Grant 5,712,731 - Drinkwater , et al. January 27, 1 | 1998-01-27 |
| Image handling facilitating computer aided design and manufacture of documents Grant 5,521,722 - Colvill , et al. May 28, 1 | 1996-05-28 |
| Copy indicating security device Grant 5,479,507 - Anderson December 26, 1 | 1995-12-26 |
| Security device and authenticatable item Grant 5,447,335 - Haslop September 5, 1 | 1995-09-05 |
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