Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277532 | Thermally expandable sealants | Hubert Czepel, Heinz Zochbauer | 1981-07-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277532 | Thermally expandable sealants | Hubert Czepel, Heinz Zochbauer | 1981-07-07 |