Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D650895 | Headgear | — | 2011-12-20 |
| D649631 | Headgear for a respiratory mask | Perry David Lithgow, Memduh Guney | 2011-11-29 |
| 8042541 | Mask brace and mask assembly | Robert Henry Frater | 2011-10-25 |
| 8042543 | Headgear assembly for a respiratory mask assembly | Perry David Lithgow, Memduh Guney | 2011-10-25 |
| D639417 | Front face of a headgear for a respiratory mask | — | 2011-06-07 |
| 7861715 | Mask system | Michael Jones, Timothy Tsun-Fai Fu, Perry David Lithgow, Jim Saada, Fiachra Marcus Sweeney | 2011-01-04 |