Dry powder delivery system apparatus
US6415790B1 · kind B1 · utility
20Cited by
37References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1999 |
| Grant date | Jul 9, 2002 |
| Priority date | — |
| Expiry date | Dec 7, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2206/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Provided is a powder delivery system which uses mechanical or electrical means to individually release covers that cover powder at a variety of powder aliquot locations on a rigid substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.