Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332593 | Process for beneficiating coal | Lester E. Burgess, Phillip E. McGarry, David E. Herman | 1982-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332593 | Process for beneficiating coal | Lester E. Burgess, Phillip E. McGarry, David E. Herman | 1982-06-01 |