Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4210461 | Method for recovering heat in a vapor degreasing apparatus | Helmut Grunewald | 1980-07-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4210461 | Method for recovering heat in a vapor degreasing apparatus | Helmut Grunewald | 1980-07-01 |