Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790931 | Method for producing sulfonated aromatic polymers and use of the process products for producing membranes | Wei Cui, Thomas Soczka-Guth | 2004-09-14 |
| 6731622 | Multipath propagation delay determining means using periodically inserted pilot symbols | Mathias Schulist, Wolfgang Granzow, Alexander Maurer, Branislav Popovic | 2004-05-04 |