Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5753190 | Vacuum system for controlling pressure in a polyester process | Douglas M. Haseltine, Thomas Lloyd Yount | 1998-05-19 |
| 5466765 | Vaccum system for controlling pressure in a polyester process | Douglas M. Haseltine, Thomas Lloyd Yount | 1995-11-14 |