Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5927217 | Metering particulate material | James W. Halford, Frederick Nicholas Butuk | 1999-07-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5927217 | Metering particulate material | James W. Halford, Frederick Nicholas Butuk | 1999-07-27 |