Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5388571 | Positive-pressure ventilator system with controlled access for nebulizer component servicing | Josephine A. Roberts | 1995-02-14 |
| 5119807 | Pressurized medical ventilation system | Josephine A. Roberts | 1992-06-09 |
| 4805609 | Pressurized ventilation system for patients | Josephine A. Roberts | 1989-02-21 |