Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9840955 | Exhaust systems and methods of assembling exhaust systems for marine propulsion devices | Gregg D. Langenfeld, David J. Hilbert | 2017-12-12 | $14,794,000 |
| 9758228 | Exhaust manifolds for outboard marine engines | Gregg D. Langenfeld, Steven W. Habeck, Jeffrey J. Broman, David J. Hilbert | 2017-09-12 | $8,746,000 |