Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5516231 | Vibratory screed for a road finisher | Dirk Heims | 1996-05-14 |
| 5044820 | Road-finishing apparatus with improved control over laying beam | — | 1991-09-03 |
| 4507014 | Consolidating plank for a highway finishing machine | Dirk Heims, Hans-Gert Ottermann | 1985-03-26 |