Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662083 | Metering device for air assisted fuel injection | — | 1997-09-02 |
| 5632239 | Method of distributing air in an engine intake manifold | William E. Hughes, Mary T. Chappell, Frederick B. Hummer, Donald H. Kerska | 1997-05-27 |
| 5590628 | Multi-mode intake manifold assembly for internal combustion engines | William E. Hughes, Mary T. Chappell, Frederick B. Hummer, Donald H. Kerska | 1997-01-07 |