Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047865 | Gas capsule and gas delivery system | Evelyn Arthur Shervington, David William Birch | 2000-04-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047865 | Gas capsule and gas delivery system | Evelyn Arthur Shervington, David William Birch | 2000-04-11 |