Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8413920 | Method and apparatus for unwinding a roll of web material | David Kent Mattheis | 2013-04-09 |
| 7311234 | Vectored air web handling apparatus | — | 2007-12-25 |
| 6948378 | Method and apparatus for measuring tension in a moving web | David Kent Mattheis | 2005-09-27 |