Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11291788 | Gas administration mask with dual port diffuser and with gas rebound diffuser | Lisette McDonald, Andrew Morum, Alex McDonald, Julius Hajgato, Robert Burke | 2022-04-05 |
| 10709859 | Patient gas delivery mask with improved gas flow disrupter | Lisette McDonald, Sandy McDonald, Alex McDonald, Robert Burke, Andrew Morum +1 more | 2020-07-14 |
| 8728414 | Closure, containing apparatus, and method of using same | Michael Beach, Roy Sunstrum, Adele Jackson, Rafal Michal Iwasiow, Ellen Joan MacLean +1 more | 2014-05-20 |
| 6631719 | Lightweight patient oxygen delivery system | Lee McDonald | 2003-10-14 |
| 6595207 | Oxygen diffuser for patient oxygen delivery system | Lee McDonald | 2003-07-22 |
| 6450166 | Patient oxygen delivery system | Lee McDonald | 2002-09-17 |
| D451598 | Lightweight oxygen delivery system | Lee McDonald | 2001-12-04 |
| D449883 | Oxygen delivery system | Lee McDonald | 2001-10-30 |
| D449376 | Oxygen delivery system | Lee McDonald | 2001-10-16 |
| 5478506 | Key-fill vaporizer adaptor with overfill protection | — | 1995-12-26 |