Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739457 | Deflector for centrifugal pellet dryer screen | William Douglas Woodson | 2004-05-25 |
| 6138375 | Support ring for pellet dryer screen | Todd Anthony Niccum, William Douglas Woodson | 2000-10-31 |