Phase Systems LLC
3Patents
1Active
3Granted
29Portfolio score
Filing activity: Nov 10, 2003 → Jan 9, 2008 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7342919B2 | Method and apparatus for providing internet call waiting with voice over internet protocol | Electricity | 15 | Expired |
| US7363030B2 | Establishing a conference call from a call-log | Electricity | 2 | Expired |
| USRE42122E1 | System and method for customized telephone greeting announcements | General | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.