Contour plotter for eyewear
USD327025S · kind S · design
2Cited by
4References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1990 |
| Grant date | Jun 16, 1992 |
| Priority date | — |
| Expiry date | Jun 16, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.