Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672931 | Arc lamp filter with heat transfer attachment to a radial arc lamp cathode heat sink | Roy D. Roberts | 1997-09-30 |
| D377234 | Lamp holder | Roy D. Roberts | 1997-01-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672931 | Arc lamp filter with heat transfer attachment to a radial arc lamp cathode heat sink | Roy D. Roberts | 1997-09-30 |
| D377234 | Lamp holder | Roy D. Roberts | 1997-01-07 |