Frame tracer and centering device in particular for ophthalmic lenses
USD383144S · kind S · design
1Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 25, 1995 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Sep 2, 2011 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.