Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350503 | Method of producing consistent high quality coke | Douglas A. Freymeyer, Richard Holloway, Ronald J. Kiracofe | 1994-09-27 |
| 5326436 | Fractionator feed method | — | 1994-07-05 |