Customized viewing system for an optical device
US9772497B1 · kind B1 · utility
4Cited by
11References
10Claims
0Family size
Inventors
Key dates
| Filing date | Sep 23, 2016 |
| Grant date | Sep 26, 2017 |
| Priority date | — |
| Expiry date | Sep 23, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0176
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A customized viewing system for an optical device to alleviate back and neck strain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.