Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643413 | Feeding apparatus for paperboard sheets | John B. West | 1987-02-17 |
| 4596541 | Slit-score method and apparatus | Raymond S. Watson | 1986-06-24 |
| 4516628 | Heat recovery system and method | — | 1985-05-14 |
| 4500244 | Air lift for blank stackers | Louis M. Sardella | 1985-02-19 |
| 4494745 | Feeding apparatus for paperboard sheets | John B. West | 1985-01-22 |
| 4474565 | Blank stripping apparatus for rotary die cutters | Raymond S. Watson | 1984-10-02 |
| 4280386 | Paperboard slitting apparatus | — | 1981-07-28 |
| 4240312 | Apparatus for improving wear life of rotary die cutter anvil covers | — | 1980-12-23 |