Modularized visual training aid for classroom instruction
USD361348S · kind S · design
2Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1994 |
| Grant date | Aug 15, 1995 |
| Priority date | — |
| Expiry date | Aug 15, 2009 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.