Contact lenses with contoured edges
US6206520A · kind A · utility
21Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1999 |
| Grant date | Mar 27, 2001 |
| Priority date | — |
| Expiry date | Mar 25, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides contact lenses that have contoured lens edges that improve lens handling and comfort.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.