Wireless communicator for a personal emergency response system
USD313362S · kind S · design
17Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1988 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Jan 1, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.