Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815535 | Heat exchanger | — | 1989-03-28 |
| 4809774 | Reversal chamber for a tube matrix of a heat exchanger | — | 1989-03-07 |
| 4800955 | Heat exchanger | Alfred Hueber | 1989-01-31 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815535 | Heat exchanger | — | 1989-03-28 |
| 4809774 | Reversal chamber for a tube matrix of a heat exchanger | — | 1989-03-07 |
| 4800955 | Heat exchanger | Alfred Hueber | 1989-01-31 |