Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4207276 | Easily maintained bubble-cap column for the distillation of clogging and high-sediment liquids | Pentti P. Ronkainen, Olavi A. Leppanen, Kyosti T. Vento | 1980-06-10 |