Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870549 | Built-in ceiling light | Gerhard Lauckhardt, Kurt Schmoll | 1989-09-26 |
| 4811177 | Long field lamp | Gerhard Lauckhardt | 1989-03-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870549 | Built-in ceiling light | Gerhard Lauckhardt, Kurt Schmoll | 1989-09-26 |
| 4811177 | Long field lamp | Gerhard Lauckhardt | 1989-03-07 |