Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810938 | High efficacy electrodeless high intensity discharge lamp | Peter D. Johnson, James T. Dakin | 1989-03-07 |
| 4803404 | Envelope for small high-intensity-discharge electrodeless arc lamp | — | 1989-02-07 |