Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752542 | Air cleaner box assembly | Steven K. Mackenzie, Douglas L. Wickham, Steven R. Granke, Steven L. Williams | 2017-09-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752542 | Air cleaner box assembly | Steven K. Mackenzie, Douglas L. Wickham, Steven R. Granke, Steven L. Williams | 2017-09-05 |