Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881480 | Cord made from polyester filaments | Hendrikus Wilhelmus Jacobus Hofs, Heinrich Johannes Gustav Kiefer, Henricus Hubertus Wilhelmus Feijen, Lambert van Duren, Michael Henricus Jacobus van den Tweel | 2005-04-19 |
| 6345654 | Continuous polyester filament and articles comprising the same | Hendrikus Wilhelmus Jacobus Hofs, Heinrich Johannes Gustav Kiefer, Henricus Hubertus Wilhelmus Feijen, Lambert van Duren, Michael Henricus Jacobus van den Tweel | 2002-02-12 |
| 5925460 | Process for manufacturing continuous polyester filament yarn | Hendrikus Wilhelmus Jacobus Hofs, Heinrich Johannes Gustav Kiefer, Henricus Hubertus Wilhelmus Feijen, Lambert van Duren, Michael Henricus Jacobus van den Tweel | 1999-07-20 |
| 5618480 | Process of making multifilament yarn, monofilament or film of polyethylene naphthalate | Anton Peter De Weijer, Hendrik Middeljans, Herman M. Heuvel | 1997-04-08 |