Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8720392 | Engine blower scroll | Carl T. Tiefenthaler, Benjamin R. Miller, Chad J. Gartzke, John Schneiker, David W. Branski | 2014-05-13 |
| 8424498 | Engine blower scroll | Carl T. Tiefenthaler, Benjamin R. Miller, Chad J. Gartzke, John Schneiker, David W. Branski | 2013-04-23 |