Telephone station having a touch-screen display
USD323657S · kind S · design
88Cited by
14References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 1991 |
| Grant date | Feb 4, 1992 |
| Priority date | — |
| Expiry date | Feb 4, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.