Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5582846 | Apparatus for forming compressible material into discrete solid blocks | Donnell Cooper | 1996-12-10 |
| 5326511 | Method for forming compressible material into discrete solid blocks | Donnell Cooper | 1994-07-05 |
| 4895581 | Two stage air filtration system | — | 1990-01-23 |
| 4208762 | Rotating coiler cleaner | — | 1980-06-24 |