Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889008 | Apparatus for driving an oscillating spout | Emile Lonardi | 1989-12-26 |
| 4821998 | Mechanism for operating a metering valve | Emile Lonardi | 1989-04-18 |
| 4822229 | Installation for charging a shaft furnace | Emile Lonardi, Germain Schilz | 1989-04-18 |
| 4820105 | Apparatus for charging a shaft furnace | Emile Lonardi, Germain Schilz | 1989-04-11 |