Inhalation devices
US5337740A · kind A · utility
142Cited by
20References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 1991 |
| Grant date | Aug 16, 1994 |
| Priority date | — |
| Expiry date | Aug 1, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides devices for the oral or nasal inhalation of finely divided materials such as medicinal agents and drugs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.