Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152441 | Method and apparatus for moving sheet material gripper bars in a sheet-processing machine | — | 2000-11-28 |
| 5396279 | Method and apparatus for setting flat elements in relation to a reference device, in particular stamping dies or the like | — | 1995-03-07 |
| 4903560 | Punching devices | Albert H. Halff | 1990-02-27 |
| 4763551 | Punching devices | Albert H. Halff | 1988-08-16 |
| 4485708 | Punching devices | Albert H. Halff | 1984-12-04 |