Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850194 | Burner system | Jakob Keller, Thomas Sattelmayer | 1989-07-25 |
| 4838783 | Dual burner facility with a fuel oil atomizer | Jakob Keller, Thomas Sattelmayer | 1989-06-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850194 | Burner system | Jakob Keller, Thomas Sattelmayer | 1989-07-25 |
| 4838783 | Dual burner facility with a fuel oil atomizer | Jakob Keller, Thomas Sattelmayer | 1989-06-13 |