Knife sharpener
USD328847S · kind S · design
15Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1989 |
| Grant date | Aug 25, 1992 |
| Priority date | — |
| Expiry date | Aug 25, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.