Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8157132 | Fuel and oil mixing device | R. Scott Johnson, Thomas M. McCullough, Kenneth M. Nielsen | 2012-04-17 |
| 7891524 | Fuel and oil mixing device | R. Scott Johnson, Thomas M. McCullough, Kenneth M. Nielsen | 2011-02-22 |