Apparatus and method for making an ear warmer and an ear warmer frame
US8713714B2 · kind B2 · utility
2Cited by
247References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2011 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | Aug 15, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F11/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an ear warmer device. More specifically, the present invention relates to apparatus and methods for making ear warmers and ear warmer frames.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.