Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619939 | Disc opener | Alvin Herman | 1997-04-15 |
| 5215553 | Apparatus for separating particles from a gaseous medium | Alvin Herman, Ken Bokor | 1993-06-01 |
| 5125771 | Apparatus for introducing bulk materials into pneumatic conveying line | Alvin Herman, Ken Bokor | 1992-06-30 |
| 5087155 | Apparatus for introducing bulk materials into pneumatic conveying line | Alvin Herman, Ken Bokor | 1992-02-11 |