Spirometric computer
USD260885S · kind S · design
5Cited by
3References
1Claims
0Family size
Inventor
Key dates
| Filing date | Feb 23, 1979 |
| Grant date | Sep 22, 1981 |
| Priority date | — |
| Expiry date | Sep 22, 1995 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.