Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671930 | Seal structure for cylinder heads | — | 1997-09-30 |
| 5649552 | Process and apparatus for impregnation and expansion of tobacco | Thomas J. Clarke, Joseph M. Dobbs, Eugene B. Fischer, Diane L. Leister, Jose Nepomuceno +2 more | 1997-07-22 |