Russell; John Christopher Park
Patent Applications and Registrations
Patent applications and USPTO patent grants for Russell; John Christopher Park.The latest application filed is for "digital rights management using network topology testing".
- Russell; John Christopher Park - San Diego CA
| Patent | Date |
|---|---|
| Digital rights management using a triangulating geographic locating device Grant 7,676,219 - Williams , et al. March 9, 2 | 2010-03-09 |
| Secure video system for display adaptor Grant 7,555,124 - Hunt , et al. June 30, 2 | 2009-06-30 |
| Digital rights management using a triangulating geographic locating device Grant 7,450,930 - Williams , et al. November 11, 2 | 2008-11-11 |
| Digital rights management using network topology testing App 20060206432 - Russell; John Christopher Park ; et al. | 2006-09-14 |
| Secure video system for display adaptor App 20050123135 - Hunt, C. Bradley ; et al. | 2005-06-09 |
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