Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923865 | Classification of coating particle size | Mark Serafin, Stanley R. Ellis, Scott A. Walker, Daniel W. Brandt | 2005-08-02 |
| 6558134 | Fluid intensifier pump system | Mark Serafin | 2003-05-06 |
| 6328542 | Check valve system | Mark Serafin | 2001-12-11 |