Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6397811 | Electronically controlled lubricating oil removal system | Kevin C. Coleman | 2002-06-04 |
| 6213080 | Electronically controlled continuous lubricating oil replacement system | John C. Kirchman, David E. Koeberlein | 2001-04-10 |