Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5423948 | Headbox with a vertical partition between perforated rolls | Edwin X. Graf | 1995-06-13 |
| 5277765 | Headbox with a vertical partition between perforated rolls | Edwin X. Graf | 1994-01-11 |