Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4622842 | Die for extruding toothed helical members | Benjamin Bachrach, William J. Fuhrman, Daniel W. Hall | 1986-11-18 |
| 4397171 | Method for forming splines in sheet metal | Sang-Kee Suh, Harry Johnson | 1983-08-09 |