Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7704396 | Coaxial full-flow and bypass oil filter with spring/gasket arrangement | Leroy Meddock, Mark T. Meddock | 2010-04-27 |
| 7704397 | Coaxial full-flow and bypass oil filter having cap with blades | Leroy Meddock, Mark T. Meddock | 2010-04-27 |
| 7090773 | Coaxial full-flow and bypass oil filter | Leroy Meddock, Mark T. Meddock | 2006-08-15 |
| 5679251 | Wound oil filter | Charles W. Johnson | 1997-10-21 |