Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6845859 | Mobile feeder and mounting device | — | 2005-01-25 |
| 6725996 | Mobile feeder and mounting device | — | 2004-04-27 |
| 5921708 | Pavement-vehicle convoy | Alfred Ulrich | 1999-07-13 |
| 5846022 | Apparatus for laying pavement layers | — | 1998-12-08 |
| 4759657 | Method and a device for controlling the vertical adjustment of a levelling plank | Paul Dorr, deceased, Alfred Ulrich | 1988-07-26 |