Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344629 | Reducing Z.sub.20 emissions | — | 1994-09-06 |
| 5284498 | Cylindrical filters in a tube sheet for cleaning high temperature gases | Charles M. Davis, Reijo Kuivalainen, Karukkampalayam M. Sellakumar, Juhani Isaksson, Juha Tiensuu | 1994-02-08 |