Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6533935 | Drain valve for fuel filter water separator | Paul D. Miller, Melvin Douglas McCormick | 2003-03-18 | $1,586,000 |
| 6358416 | Drain valve for fuel filter water separator | Paul D. Miller, Melvin Douglas McCormick | 2002-03-19 | $5,804,000 |
| 6290208 | Valve seal, including for duplex head | — | 2001-09-18 | $3,310,000 |