Wuerfel; Randy
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wuerfel; Randy.The latest application filed is for "system and method for proxy gatekeeper in h.323 based ip telephony systems".
- Wuerfel; Randy - Santa Clara CA
| Patent | Date |
|---|---|
| Dynamic presence proxy for call sessions Grant 7,945,035 - Michael , et al. May 17, 2 | 2011-05-17 |
| System and method for accessing busy IP network resources Grant 7,865,547 - Wuerfel , et al. January 4, 2 | 2011-01-04 |
| System and method for proxy gatekeeper in H.323 based IP telephony systems App 20050018652 - Crouch, Richard ; et al. | 2005-01-27 |
| Dynamic presence proxy for call sessions App 20040170263 - Michael, Michelle ; et al. | 2004-09-02 |
| System and method for accessing busy IP network resources App 20040054714 - Wuerfel, Randy ; et al. | 2004-03-18 |
| Signaling system and method for enabling PBX-PBX feature transparency across a switched public network Grant 5,818,921 - Vander Meiden , et al. October 6, 1 | 1998-10-06 |
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