Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4979665 | Process for producing a spacer for the tubes of a heat exchanger | Karl-Heinz Maier | 1990-12-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4979665 | Process for producing a spacer for the tubes of a heat exchanger | Karl-Heinz Maier | 1990-12-25 |