Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9623350 | Extended-life oil management system and method of using same | Ronald P. Rohrbach, Brian K. Artz | 2017-04-18 |
| 9539531 | Additive dispersing filter and method | Ronald P. Rohrbach, Zafar Hussain | 2017-01-10 |