Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101816 | Separable valve assembly | — | 1992-04-07 |
| 4677977 | Mask for pressure breathing | — | 1987-07-07 |
| 4428392 | Breathing valve | Leon Jones | 1984-01-31 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101816 | Separable valve assembly | — | 1992-04-07 |
| 4677977 | Mask for pressure breathing | — | 1987-07-07 |
| 4428392 | Breathing valve | Leon Jones | 1984-01-31 |