Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839816 | Lumber cutting system | Thomas J. Cattrall | 1989-06-13 |
| 4340317 | Splineless coupling means | Arnold M. Heitmann | 1982-07-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839816 | Lumber cutting system | Thomas J. Cattrall | 1989-06-13 |
| 4340317 | Splineless coupling means | Arnold M. Heitmann | 1982-07-20 |