Comdial Corporation
12Patents
0Active
12Granted
30Portfolio score
Filing activity: Jun 16, 1975 → Aug 3, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6792085B1 | System and method for unified messaging with message replication and synchronization | Electricity | 112 | Expired |
| US6553515B1 | System, method and computer program product for diagnostic supervision of internet connections | Electricity | 81 | Expired |
| US6526274B1 | Method, system, and computer program product for extending the functionality of a personal information manager to telephone system interactions | Electricity | 60 | Expired |
| US6829349B1 | System and method for monitoring and routing incoming calls | Electricity | 42 | Expired |
| US7120122B1 | System and method for diagnostic supervision of internet transmissions with quality of service control | Electricity | 39 | Expired |
| US6771751B1 | Systems and methods for information exchange and synchronization using DTMF over telephone communication channels | Electricity | 16 | Expired |
| US4142184A | Digital multitone generator for telephone dialing | Electricity | 9 | Expired |
| US4058805A | Digital multitone generator for telephone dialing | Electricity | 8 | Expired |
| US7088804B1 | Systems and methods for information exchange and synchronization using DTMF over telephone communication channels | Electricity | 7 | Expired |
| US7110516B2 | Dynamic telephone configuration | Electricity | 4 | Expired |
| US6683942B1 | Telephone switching system with data integration | Electricity | 3 | Expired |
| USD291307S | Telephone base | General | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.