Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338079 | Method and apparatus for subjecting mineral particles to gas flow | Bobby P. Faulkner, Peter L. Schumacher, Michael H. Weinecke | 1982-07-06 |
| 4318713 | Method for gasifying cellulosic material | John N. Lees, Jr., Paul M. Pukita | 1982-03-09 |
| 4270899 | Roller grate material bed transporting and heat exchange apparatus | Bobby P. Faulkner, Peter L. Schumacher, Michael H. Weinecke | 1981-06-02 |