Samuel R. Freeman
1Patents
0Active
1Granted
21Portfolio score
Filing activity: Jun 1, 1987 → Jun 1, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4802212A | Method and device for preventing tape piracy | Physics | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.