Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479142 | Outdoor advertising system | Robert R. Condon, Bruno Mueller, Siegfried R. Goeb | 2002-11-12 |
| 6180228 | Outdoor advertising system | Bruno Mueller, Siegfried R. Goeb | 2001-01-30 |