Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019047 | Gripper conveyor with preliminary ink jet | Dave Christofferson | 2000-02-01 |
| 5819663 | Gripper conveyor with preliminary ink jet | Dave Christofferson | 1998-10-13 |
| D285337 | Dental blast cabinet | — | 1986-08-26 |
| 4579570 | Shaking mechanism for filter bags | — | 1986-04-01 |