US 9492781
Portable oxygen enrichment device and method of use
granted A61KA61K33/00
Quick answer
US patent 9492781 (Portable oxygen enrichment device and method of use) held by SEPARATION DESIGN GROUP LLC expires Mon Nov 10 2036 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- SEPARATION DESIGN GROUP LLC
- Grant date
- Tue Nov 15 2016 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Nov 10 2036 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 18
- CPC classes
- A61K, A61K33/00