Document shredder
USD325043S · kind S · design
4Cited by
10References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 1988 |
| Grant date | Mar 31, 1992 |
| Priority date | — |
| Expiry date | Mar 31, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.