Adjunct answering machine
USD319439S · kind S · design
46Cited by
11References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 1990 |
| Grant date | Aug 27, 1991 |
| Priority date | — |
| Expiry date | Aug 27, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.