Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5919038 | Method for the calcination of calcium carbonate bearing materials | Sidney M. Cohen, William E. Lindquist, Michael Prokesch | 1999-07-06 |
| 5145253 | Blender for particulate material | Kermit D. Paul, Leslie Bartholomew, John Stephen Szazdi, Jr. | 1992-09-08 |