Drinkwater; Kenneth John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Drinkwater; Kenneth John.The latest application filed is for "optical device and method of manufacture".
- Drinkwater; Kenneth John - Andover N/A GB
- Drinkwater; Kenneth John - Hampshire GB
- Drinkwater; Kenneth John - Surrey GB
- Drinkwater; Kenneth John - London GB
| Patent | Date |
|---|---|
| Secure data protection optically variable labels and foils Grant 8,562,025 - Drinkwater October 22, 2 | 2013-10-22 |
| Diffuse reflector and method Grant 7,446,915 - Holmes , et al. November 4, 2 | 2008-11-04 |
| Optical device and method of manufacture Grant 7,435,979 - Ryzi , et al. October 14, 2 | 2008-10-14 |
| Optical device and method of manufacture Grant 7,358,513 - Ryzi , et al. April 15, 2 | 2008-04-15 |
| Optical device and method of manufacture App 20070284546 - Ryzi; Zbynek ; et al. | 2007-12-13 |
| Optically Variable Security Device App 20070268536 - Holmes; Brian William ; et al. | 2007-11-22 |
| Diffuse reflector and method Grant 7,251,077 - Holmes , et al. July 31, 2 | 2007-07-31 |
| Diffuse reflector and method App 20060256415 - Holmes; Brian William ; et al. | 2006-11-16 |
| Optically variable security device Grant 7,054,042 - Holmes , et al. May 30, 2 | 2006-05-30 |
| Secure data protection optically variable labels and foils App 20050243391 - Drinkwater, Kenneth John | 2005-11-03 |
| Security device Grant 6,822,769 - Drinkwater , et al. November 23, 2 | 2004-11-23 |
| Diffuse reflector and method App 20040136038 - Holmes, Brian William ; et al. | 2004-07-15 |
| Security device Grant 6,712,399 - Drinkwater , et al. March 30, 2 | 2004-03-30 |
| Optically variable security device App 20030058491 - Holmes, Brian William ; et al. | 2003-03-27 |
| Holographic security device Grant 6,369,919 - Drinkwater , et al. April 9, 2 | 2002-04-09 |
| Security device Grant 6,089,614 - Howland , et al. July 18, 2 | 2000-07-18 |
| Holographic security device Grant 5,694,229 - Drinkwater , et al. December 2, 1 | 1997-12-02 |
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