Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359496 | Heat-insulating board and method for producing same | Gunter Kratel | 1982-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359496 | Heat-insulating board and method for producing same | Gunter Kratel | 1982-11-16 |