Microfilm reader
USD267180S · kind S · design
2Cited by
8References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1980 |
| Grant date | Dec 7, 1982 |
| Priority date | — |
| Expiry date | Dec 7, 1996 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.