Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11022062 | Systems and methods for monitoring a fuel system | Brian R. White, Hans Kwok, Gregory D. Aykens | 2021-06-01 |
| 10400703 | Systems and methods for monitoring a fuel system | Brian R. White, Hans Kwok, Gregory D. Aykens | 2019-09-03 |
| 4995233 | Automatically controlled exhaust assembly for marine stern drive | — | 1991-02-26 |
| 4977741 | Combination exhaust manifold and exhaust elbow for marine propulsion system | Jeffrey P. Ruhnke, Robert C. W. Lloyd | 1990-12-18 |
| 4969504 | Evaporable foam pattern for use in casting an exhaust manifold | Jeffrey P. Ruhnke, Gordon L. Stiller | 1990-11-13 |