Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996835 | Barrel with flanged body | Gerrit J. Van Keimpema | 1999-12-07 |
| 4962862 | Thermoplastic container having end wall butt-welded to body | Gerrit J. Van Keimpema | 1990-10-16 |
| 4726866 | Process and device for connecting together by heated-tool butt-welding a vessel body obtained by extrusion and a vessel lid | Gerrit J. Van Keimpema, Bernard J. DeLoos | 1988-02-23 |