Apparatus and method for making an ear warmer and an ear warmer frame
US6735784B2 · kind B2 · utility
26Cited by
76References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2002 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Jan 28, 2022 |
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.