Unipolar spiral coil electrode for monitoring the electrical activity of the brain
USD317502S · kind S · design
3Cited by
13References
1Claims
0Family size
Inventors
Key dates
| Filing date | Oct 15, 1987 |
| Grant date | Jun 11, 1991 |
| Priority date | — |
| Expiry date | Jun 11, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.