Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5919038 | Method for the calcination of calcium carbonate bearing materials | Sidney M. Cohen, William E. Lindquist, Michael Prokesch | 1999-07-06 | $10,760,000 |
| 5145253 | Blender for particulate material | Kermit D. Paul, Leslie Bartholomew, John Stephen Szazdi, Jr. | 1992-09-08 | $4,363,000 |