Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905112 | Column for counter-currently contacting vapor and liquid | Gerrit Konijn | 2005-06-14 |
HL
Hugo Letzel
Overall (2005): #185,979 of 245,428Top 80%
1
Patents 2005