Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564369 | Apparatus for the enhanced separation of impurities from coal | Karl M. Fox, Phillip E. McGarry, David E. Herman | 1986-01-14 |
| 4536372 | Apparatus for beneficiating coal | Karl M. Fox, Phillip E. McGarry, David E. Herman | 1985-08-20 |
| 4526585 | Beneficiated coal, coal mixtures and processes for the production thereof | Karl M. Fox, Phillip E. McGarry | 1985-07-02 |
| 4412843 | Beneficiated coal, coal mixtures and processes for the production thereof | Karl M. Fox, Phillip E. McGarry | 1983-11-01 |
| 4406664 | Process for the enhanced separation of impurities from coal and coal products produced therefrom | Karl M. Fox, Phillip E. McGarry, David E. Herman | 1983-09-27 |
| 4332593 | Process for beneficiating coal | Karl M. Fox, Phillip E. McGarry, David E. Herman | 1982-06-01 |
| 4304573 | Process of beneficiating coal and product | Karl M. Fox, Phillip E. McGarry | 1981-12-08 |