Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881584 | Infeed conveyor for saw | Charles Blickenderfer | 1989-11-21 |
| 4834585 | Landscape timber building module | Earl D. Hasenwinkle | 1989-05-30 |
| 4653560 | Fixed curve linebar | Earl D. Hasenwinkle | 1987-03-31 |
| 4650061 | Crowding lug transfer conveyor system | Earl D. Hasenwinkle | 1987-03-17 |
| 4633924 | Variable curve linebar | Earl D. Hasenwinkle, Charles Blickenderfer | 1987-01-06 |