Keast; Liam
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keast; Liam.The latest application filed is for "external detection of optional telephone services on a telephone line".
- Keast; Liam - Bedford CA
| Patent | Date |
|---|---|
| External detection of optional telephone services on a telephone line Grant 7,412,035 - McMullin , et al. August 12, 2 | 2008-08-12 |
| External Detection Of Optional Telephone Services On A Telephone Line App 20070127628 - McMullin; William P. ; et al. | 2007-06-07 |
| External detection of optional telephone services on an unknown telephone line Grant 7,158,615 - McMullin , et al. January 2, 2 | 2007-01-02 |
| Multi-user call waiting Grant 6,999,577 - Wang , et al. February 14, 2 | 2006-02-14 |
| External detection of optional telephone services Grant 6,950,498 - McMullin , et al. September 27, 2 | 2005-09-27 |
| Multi-user Call Waiting App 20050018833 - Wang, Myles Thomas ; et al. | 2005-01-27 |
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