Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651313 | Paperboard processing machine with vacuum transfer system | James M. Kowalewski, Leonard T. Katilas | 1997-07-29 |
| 5564693 | Paperboard processing machine with vacuum transfer system | James M. Kowalewski, Mark R. Donovan, John H. P. Andrews, Jr. | 1996-10-15 |
| 5509352 | Paperboard processing machine with vacuum transfer system | James M. Kowalewski, Leonard T. Katilas | 1996-04-23 |