Drawing screen
USD327498S · kind S · design
21Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1990 |
| Grant date | Jun 30, 1992 |
| Priority date | — |
| Expiry date | Jun 30, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.