Cannulated drill
USD331464S · kind S · design
13Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1990 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | Dec 1, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.