Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7713730 | Pneumatic bioreactor | J. Gregory Zeikus, Kyungnam Kim, Keith Johnson, Jr. | 2010-05-11 |
| 6109449 | Mixing system for separation of materials by flotation | Richard Howk, Michael Giralico | 2000-08-29 |
| 5511881 | Impeller system and method for enhanced-flow pumping of liquids | Richard Howk, Michael Joseph Preston | 1996-04-30 |
| 5501523 | Impeller system for mixing and enhanced-flow pumping of liquids | Ronald J. Weetman, Richard Howk | 1996-03-26 |
| 4541954 | Method for preparing 6-chloro-N-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine | Stanley J. Borowski | 1985-09-17 |