Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5282741 | Grate plate | Micahel R. Massaro, Bernard H. Schonbach, George W. Bryde | 1994-02-01 |
| 5048763 | Multi-pass roll crusher | John Stephen Szazdi, Jr. | 1991-09-17 |
| 4818152 | Apparatus for conveying hot finely divided material | — | 1989-04-04 |
| 4715811 | Process and apparatus for manufacturing low sulfur cement clinker | — | 1987-12-29 |
| 4708644 | Apparatus for roasting fine grained material | Stephen A. Lukacz | 1987-11-24 |
| 4662945 | Process and apparatus for manufacturing low sulfur cement clinker | — | 1987-05-05 |