Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7267793 | Furnace for vacuum carburizing with unsaturated aromatic hydrocarbons | Ralph P. Poor, Gary W. Barbee, Stephen H. Verhoff | 2007-09-11 |
| 7204952 | Vacuum furnace for carburizing with hydrocarbons | Ralph P. Poor, Gary W. Barbee, Stephen H. Verhoff | 2007-04-17 |
| 7033446 | Vacuum carburizing with unsaturated aromatic hydrocarbons | Ralph P. Poor, Garry W. Barbee, Stephen H. Verhoff | 2006-04-25 |
| 6991687 | Vacuum carburizing with napthene hydrocarbons | Ralph P. Poor, Garry W. Barbee, Stephen H. Verhoff | 2006-01-31 |