Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557598 | Wildlife and fish feeder | Dan Cloud | 2003-05-06 |
| 5893956 | Method of making a filter element | Marney Dunman Perry, Jr., Stephen A. von Phul, H. C. Bradford, Floyd Roberts | 1999-04-13 |
| 5827430 | Coreless and spirally wound non-woven filter element | Marney Dunman Perry, Jr., Stephen A. von Phul, H. C. Bradford, Floyd Roberts | 1998-10-27 |