Combined holder and display device for learning cards
USD346823S · kind S · design
2Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 1992 |
| Grant date | May 10, 1994 |
| Priority date | — |
| Expiry date | May 10, 2008 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.