Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299330 | Concertina lamp | Oliver Michl | 2001-10-09 |
| 5709461 | Electrical concertina-type lamp | Oliver Michl | 1998-01-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299330 | Concertina lamp | Oliver Michl | 2001-10-09 |
| 5709461 | Electrical concertina-type lamp | Oliver Michl | 1998-01-20 |