Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340207 | Waste heat recovery apparatus | Alfred Bruhn | 1982-07-20 |
| 4257579 | Waste heat recovery process and apparatus | Alfred Bruhn | 1981-03-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340207 | Waste heat recovery apparatus | Alfred Bruhn | 1982-07-20 |
| 4257579 | Waste heat recovery process and apparatus | Alfred Bruhn | 1981-03-24 |