Berthoud; Charles William
Patent Applications and Registrations
Patent applications and USPTO patent grants for Berthoud; Charles William.The latest application filed is for "central-office-enabled muting of telephones".
- Berthoud; Charles William - Nazareth PA
- Berthoud, Charles William - Bethlehem PA
| Patent | Date |
|---|---|
| Telephone call interuption request via internet Grant 7,054,428 - Berthoud , et al. May 30, 2 | 2006-05-30 |
| Central-office-enabled muting of telephones App 20050094792 - Berthoud, Charles William ; et al. | 2005-05-05 |
| Remote control help feature Grant 6,795,011 - Berthoud , et al. September 21, 2 | 2004-09-21 |
| Telephone having convenience feature data transfer capability Grant 6,608,889 - Berthoud , et al. August 19, 2 | 2003-08-19 |
| Field layer speaker for consumer products Grant 6,570,994 - Berthoud , et al. May 27, 2 | 2003-05-27 |
| Telephone having convenience feature data transfer capability App 20020097849 - Berthoud, Charles William ; et al. | 2002-07-25 |
| Receipt of type II caller identification in multi-cordless environment Grant 6,345,187 - Berthoud , et al. February 5, 2 | 2002-02-05 |
| Flash-hook Caller ID Grant 6,075,850 - Ali , et al. June 13, 2 | 2000-06-13 |
| Method and apparatus for testing customer premises equipment alert signal detectors to determine talkoff and talkdown error rates Grant 5,910,976 - Berthoud , et al. June 8, 1 | 1999-06-08 |
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