Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6358034 | Molding machine with mold block carriage | Heinrich Dickhut | 2002-03-19 |
| 6193496 | Molding machine with mold block carriage | Heinrich Dickhut | 2001-02-27 |
| 5645871 | Plastic tile corrugator and mold blocks | Heinrich Dickhut | 1997-07-08 |
| 5531583 | Vacuum mold blocks with cooling for corrugated tubing | Heinrich Dickhut | 1996-07-02 |
| 5494430 | Plastic tube corrugator with mold blocks | Heinrich Dickhut | 1996-02-27 |
| 5489201 | Plastic tile corrugator and mold blocks | Heinrich Dickhut | 1996-02-06 |
| 5257924 | Plastic tile corrugator | Heinrich Dickhut | 1993-11-02 |
| 5059109 | Corrugated mold block | Heinrich Dickhut | 1991-10-22 |
| 4718844 | Corrugated mold block | Heinrich Dickhut | 1988-01-12 |