Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003224 | Method and a device for replacing incandescent filaments, and a lamp with several filaments | — | 1991-03-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003224 | Method and a device for replacing incandescent filaments, and a lamp with several filaments | — | 1991-03-26 |