Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9689364 | Vented high pressure valve | David C. Mack, Alan R. Stockner | 2017-06-27 |
| 9546724 | Roller pin for cam actuated roller assembly | David C. Mack, Adam Charles Hill | 2017-01-17 |
| 9181909 | Fuel pump retainer | Eric J. Krause, Steven R. Meinhart, David C. Mack | 2015-11-10 |