Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240506 | Process for the ultrasonic cleaning of a printing cylinder | Arthur H. Liers, Louis J. Principe, Asgaralt Hosein | 1993-08-31 |
| 5058611 | Process and apparatus for the ultrasonic cleaning of a printing cylinder | Arthur H. Liers, Louis J. Principe, Asgarali Hosein | 1991-10-22 |