Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8404033 | Multi-target scrubber | John S. Crews | 2013-03-26 |
| 7959721 | Turn-around scrubber | John S. Crews | 2011-06-14 |
| 5915814 | Cyclonic dryer | — | 1999-06-29 |
| 5791066 | Cyclonic dryer | — | 1998-08-11 |