Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881692 | Ventless fluid reservoir | — | 1999-03-16 |
| 5673664 | Ventless oil reservoir | — | 1997-10-07 |
| 5408827 | Marine propulsion device with improved catalyst support arrangement | Theodore J. Holtermann, Lee A. Woodward | 1995-04-25 |
| 5348500 | Marine propulsion device with selectively operable secondary exhaust discharge | — | 1994-09-20 |
| 5306185 | Catalytic elements for marine propulsion device | Edgar Rose, Theodore J. Holtermann | 1994-04-26 |
| 5203167 | Marine propulsion device internal combustion engine and method for making the same | Lee A. Woodward | 1993-04-20 |
| 4934350 | Method to prevent piston ring rotation | — | 1990-06-19 |
| 4831820 | Engine with exhaust gas sensing | — | 1989-05-23 |
| 4425140 | Gaseous fuel and air proportioning device | Arthur G. Poehlman | 1984-01-10 |
| 4399780 | Spark advance control mechanism for dual fuel engine | Arthur G. Poehlman | 1983-08-23 |
| 4367702 | Internal combustion engine with automatic compression release | — | 1983-01-11 |