Control box for a microfilm scanner
USD340916S · kind S · design
36Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 4, 1991 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Nov 2, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.