Anderson Jacobson, Inc.
5Patents
0Active
5Granted
25Portfolio score
Filing activity: Dec 5, 1977 → Apr 1, 1982
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4481622A | High speed dial-up telephone circuit full duplex data transmission techniques | Electricity | 19 | Expired |
| US4246444A | Telephone handset acoustic coupling cup | Electricity | 10 | Expired |
| US4158106A | Telephone handset acoustic coupling cup | Electricity | 7 | Expired |
| US4288661A | Interface circuitry for acoustic coupler compensation | Electricity | 7 | Expired |
| US4476348A | Carbon microphone linearization technique | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.