Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771207 | Discharge lamp assembly | — | 1988-09-13 |
| 4247798 | Mercury-metal halide discharge lamp | Stephen Howe, Barry Preston | 1981-01-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771207 | Discharge lamp assembly | — | 1988-09-13 |
| 4247798 | Mercury-metal halide discharge lamp | Stephen Howe, Barry Preston | 1981-01-27 |