Portable electrical humidifier
USD330074S · kind S · design
48Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1991 |
| Grant date | Oct 6, 1992 |
| Priority date | — |
| Expiry date | Oct 6, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.