Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722467 | Noise attenuator for an air supply system of an internal combustion engine | David W. Kusche, Michael D. Docter | 2004-04-20 |
| 6419537 | Sound attenuator and temperature control device for an outboard motor | Ian G. House | 2002-07-16 |
| 6056611 | Integrated induction noise silencer and oil reservoir | Ian G. House, David W. Kusche | 2000-05-02 |
| 4668199 | Idle exhaust relief system for outboard motors | Paul H. Jennerjahn, David W. Kusche | 1987-05-26 |