Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858684 | Heat exchanger, especially for cooling cracked gas | Peter Brucher | 1989-08-22 |
| 4848449 | Heat exchanger, especially for cooling cracked gas | Peter Brucher | 1989-07-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858684 | Heat exchanger, especially for cooling cracked gas | Peter Brucher | 1989-08-22 |
| 4848449 | Heat exchanger, especially for cooling cracked gas | Peter Brucher | 1989-07-18 |