Electronic meter for determining human pulse rate from a fingertip
USD243038S · kind S · design
18Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1975 |
| Grant date | Jan 11, 1977 |
| Priority date | — |
| Expiry date | Jan 11, 1991 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.