Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4280707 | Seal for rotating cylinder such as kilns and the like | — | 1981-07-28 |
| 4212632 | Cooling arrangement for rotary kiln | Ralph Conrad | 1980-07-15 |
| 4209175 | Articulated seal for rotating cylinder such as kiln or the like | — | 1980-06-24 |