Transcutaneous electrical nerve stimulator
USD303430S · kind S · design
14Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1987 |
| Grant date | Sep 12, 1989 |
| Priority date | — |
| Expiry date | Sep 12, 2003 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.