Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5919038 | Method for the calcination of calcium carbonate bearing materials | Gerald J. Labelle, Sidney M. Cohen, Michael Prokesch | 1999-07-06 | $10,760,000 |
| 5380504 | Treatment of gold bearing ore | Brian T. Field, Bernard T. McCormick | 1995-01-10 | $3,380,000 |
| 5260041 | Method for the calcination of limestone | Sidney M. Cohen, Michael Prokesch | 1993-11-09 | $3,013,000 |
| 5132102 | Method for heat treatment of fines with atmosphere control | Sidney M. Cohen, Barry W. Diamond | 1992-07-21 | $5,342,000 |