Michael J. Freeman
2Patents
0Active
2Granted
30Portfolio score
Filing activity: Jun 24, 1976 → Aug 13, 1979
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4264925A | Interactive cable television system | Electricity | 444 | Expired |
| US4117605A | Real time conversational toy having secure playback response | Human Necessities | 137 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.