Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942873 | Resuscitation device | Lawrence F. Irwin | 1990-07-24 |
| 4870992 | Backflow prevention device | Lawrence F. Irwin | 1989-10-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942873 | Resuscitation device | Lawrence F. Irwin | 1990-07-24 |
| 4870992 | Backflow prevention device | Lawrence F. Irwin | 1989-10-03 |