Et Francais
1Patents
0Active
1Granted
21Portfolio score
Filing activity: Dec 7, 1990 → Dec 7, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5070486A | Process to increase the power of the low frequency electro acoustic transducers and corresponding transducers | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.