Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304087 | Compact fluorescent lamp | Michael Kappler | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304087 | Compact fluorescent lamp | Michael Kappler | 1989-10-17 |