Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8709351 | Atmospheric treater with roller confined discharge chamber | Richard R. Hammen, Joseph Roethle | 2014-04-29 |
| 5906798 | Segmented ceramic electrode station | Richard R. Hammen | 1999-05-25 |
| 4891743 | Power supply controller | Ronald F. May, Kenneth G. Kafer, Michael T. Verstegen | 1990-01-02 |