Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7517137 | System and method for stirring suspended solids in a liquid media | Daniel L. Schwarz, Paul E. Hansen | 2009-04-14 |
| 7211430 | System for stirring growth medium | Daniel L. Schwarz, Paul E. Hansen | 2007-05-01 |