Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4555787 | Gas laser preionization device | David B. Cohn | 1985-11-26 |
| 4380079 | Gas laser preionization device | David E. Cohn | 1983-04-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4555787 | Gas laser preionization device | David B. Cohn | 1985-11-26 |
| 4380079 | Gas laser preionization device | David E. Cohn | 1983-04-12 |