Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632239 | Method of distributing air in an engine intake manifold | Michael P. Patyi, William E. Hughes, Mary T. Chappell, Frederick B. Hummer | 1997-05-27 |
| 5590628 | Multi-mode intake manifold assembly for internal combustion engines | Michael P. Patyi, William E. Hughes, Mary T. Chappell, Frederick B. Hummer | 1997-01-07 |