Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470406 | Roofing tile with thermal conduction device | Manfred Rinklake, Wilhelm Roettger, Guenter Joest | 1984-09-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470406 | Roofing tile with thermal conduction device | Manfred Rinklake, Wilhelm Roettger, Guenter Joest | 1984-09-11 |