Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104520 | Apparatus and method for separating constituents | Richard P. Killmeyer, Jr. | 1992-04-14 |
| H1026 | Rotary bulk solids divider | Richard P. Killmeyer, Jr. | 1992-03-03 |
| 5022892 | Fine coal cleaning via the micro-mag process | Mark S. Klima, Richard P. Killmeyer, Jr. | 1991-06-11 |