Das; Utpal
Patent Applications and Registrations
Patent applications and USPTO patent grants for Das; Utpal.The latest application filed is for "user interface for cellular telephone group calls".
- Das; Utpal - Noida IN
- Das; Utpal - Uttar Pradesh IN
| Patent | Date |
|---|---|
| User interface for cellular telephone group calls Grant 7,587,215 - Chakraborty , et al. September 8, 2 | 2009-09-08 |
| Cellular telephone network with record keeping for missed calls Grant 7,403,767 - Kashanian , et al. July 22, 2 | 2008-07-22 |
| User interface for cellular telephone group calls App 20080026702 - Chakraborty; Sumanta ; et al. | 2008-01-31 |
| User interface for cellular telephone group calls App 20080026703 - Chakraborty; Sumanta ; et al. | 2008-01-31 |
| Cellular telephone network with record keeping for missed calls App 20060246877 - Kashanian; Nematolah ; et al. | 2006-11-02 |
| User interface for cellular telephone group calls App 20050176454 - Chakraborty, Sumanta ; et al. | 2005-08-11 |
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