Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580006 | Sprocket crusher | Douglas J. Hennenfent | 1996-12-03 |
| 4449164 | Electronic module cooling system using parallel air streams | Douglas M. Carlson, Randall L. Ohman | 1984-05-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580006 | Sprocket crusher | Douglas J. Hennenfent | 1996-12-03 |
| 4449164 | Electronic module cooling system using parallel air streams | Douglas M. Carlson, Randall L. Ohman | 1984-05-15 |