Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6021606 | Lifting mechanism for horizontal hinged doors | — | 2000-02-08 |
| 4368240 | High gloss rubber roll | Jan P. Nauta | 1983-01-11 |
| 4211743 | Apparatus and method for embossing web material | Jan P. Nauta | 1980-07-08 |