Impression procedure
US11166114B2 · kind B2 · utility
19Cited by
437References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2019 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | May 7, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/77
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Improved methods are described for the creation of impressions for use in the manufacture of hearing aid components. In addition methods for manufacturing components of hearing aid systems using improved ear canal impressions are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.