Key pad
USD330547S · kind S · design
12Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1990 |
| Grant date | Oct 27, 1992 |
| Priority date | — |
| Expiry date | Oct 27, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.