Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591752 | Incandescent lamp with high pressure rare gas filled tungsten-halogen element and transparent thick walled safety envelope | Wolfgang E. Thouret, Rudolph Kaufman | 1986-05-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591752 | Incandescent lamp with high pressure rare gas filled tungsten-halogen element and transparent thick walled safety envelope | Wolfgang E. Thouret, Rudolph Kaufman | 1986-05-27 |