Sphere Communications, Inc.
2Patents
0Active
2Granted
25Portfolio score
Filing activity: Sep 16, 1996 → Mar 1, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5892764A | ATM LAN telephone system | Electricity | 232 | Expired |
| US6735208B1 | LAN telephone system | Electricity | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.