Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579043 | Multi-purpose insert and toolholder assembly | Robert A. Erickson | 2003-06-17 |
| 6186704 | Toolholder with detachable blade | — | 2001-02-13 |
| 4798665 | Combination process for the conversion of a distillate hydrocarbon to maximize middle distillate production | Michael J. Humbach | 1989-01-17 |
| 4661238 | Combination process for the conversion of a distillate hydrocarbon to maximize middle distillate production | Michael J. Humbach | 1987-04-28 |