Pershan; Barry P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pershan; Barry P..The latest application filed is for "call notification service for use with call waiting".
- Pershan; Barry P. - Olney MD
| Patent | Date |
|---|---|
| Call notification service for use with call waiting Grant 6,798,868 - Montgomery , et al. September 28, 2 | 2004-09-28 |
| Electronic surveillance in a public switched telephone network Grant 6,097,798 - Albers , et al. August 1, 2 | 2000-08-01 |
| Advanced intelligent network (AIN) functionality for electronic surveillance Grant 6,078,648 - Albers , et al. June 20, 2 | 2000-06-20 |
| Incoming call tracking with interactive data collection Grant 5,896,445 - Kay , et al. April 20, 1 | 1999-04-20 |
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