Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5297767 | Multiple container holder | Gordon Miller, Ronald A. Dykstra, David J. Spykerman | 1994-03-29 |
| 5195711 | Multiple container holder | Gordon Miller, Ronald A. Dykstra, David J. Spykerman | 1993-03-23 |
| 5087008 | Multiple container holder | Gordon Miller, Ronald A. Dykstra, David J. Spykerman | 1992-02-11 |
| 4953259 | Armrest torque control | Dale J. Frye, Kenneth M. Lindberg, Alan L. Kindig, Robert J. Stander, Jeffrey D. Gras +1 more | 1990-09-04 |