Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8474251 | Cylinder head cooling system | Jody Michael Slike, John Christopher Riegger | 2013-07-02 |
| 8371254 | Fuel injector cooling | John Christopher Riegger | 2013-02-12 |
| 6942635 | Blood treatment catheter and method | Melvin Rosenblatt, William M. Appling, Donald Geer | 2005-09-13 |
| 6881218 | Blood clot filter | William M. Appling | 2005-04-19 |