Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7955422 | Method and apparatus for separating fibers from a gas in a centrifuge | Dietmar Ulm | 2011-06-07 |
| 7357074 | Compression screw with combination single and double flights | Michael Kraft, Joseph L. Keller | 2008-04-15 |