Thomas de la Rue & Company Limited
Patent Applications and Registrations
Patent applications and USPTO patent grants for Thomas de la Rue & Company Limited.The latest application filed is for "signature panels".
- Thomas de la Rue & Company Limited - London GB2
| Patent | Date |
|---|---|
| Signature panels Grant 5,438,928 - Chatwin , et al. August 8, 1 | 1995-08-08 |
| Transfer film Grant 5,413,839 - Chatwin , et al. May 9, 1 | 1995-05-09 |
| Ink composition and components thereof Grant 5,324,567 - Bratchley , et al. June 28, 1 | 1994-06-28 |
| Numbered documents Grant 4,645,240 - Whitehead , et al. February 24, 1 | 1987-02-24 |
| Watermark detection Grant 4,296,326 - Haslop , et al. October 20, 1 | 1981-10-20 |
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