Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4657624 | Apparatus for processing corrugated paperboard | — | 1987-04-14 |
| 4529462 | Apparatus and method for processing corrugated paperboard | — | 1985-07-16 |
| 4215609 | Slitter scorer having upper and lower pairs of shafts selectively rotated by a single drive | Robert E. Coburn | 1980-08-05 |