Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998783 | Track roller or guide roller for track-laying vehicles | Klaus Spies | 1991-03-12 |
| 4813750 | Track chain constructed pursuant to the linkage principle for track-laying vehicles | Klaus Spies | 1989-03-21 |
| 4735465 | Arrangement for the connection of the track links of endless crawler track vehicles | Hagen-Heinz Wiesner, Klaus Spies | 1988-04-05 |
| 4583792 | Assembling aid on crawler track chains | Klaus Spies | 1986-04-22 |