Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075592 | Gas discharge switch | David Branston | 1991-12-24 |
| 4939416 | Gas discharge switch | David Branston | 1990-07-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075592 | Gas discharge switch | David Branston | 1991-12-24 |
| 4939416 | Gas discharge switch | David Branston | 1990-07-03 |