Respiratory therapy device
USD403769S · kind S · design
3Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1997 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Jan 5, 2013 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.